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Astronauts and life in space: questions and answers
Astronauts and life in space: the most searched Space questions, with a direct answer, an explanation and sources.
Foto: SpaceX (CC0) Astronauts and life in space
How long spacex been around?
SpaceX was founded by Elon Musk in 2002, so it has been around for about 24 years (figure as of September 2026). It needed six years to reach orbit - Falcon 1… more…
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Astronauts and life in space
How long starship to mars?
Six to nine months of flight, set by orbital mechanics rather than by the rocket: a typical Mars cruise runs about seven months, as with Perseverance, which… more…
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How fast do astronauts return to earth?
Astronauts come home at orbital speed: a capsule leaving the International Space Station meets the atmosphere at roughly 28 000 km/h, and air friction rather… more…
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How much astronaut make a year?
There is no single figure, and no payment per flight. NASA astronauts selected as civilians are federal employees paid on the General Schedule, so their… more…
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Astronauts and life in space
When was blue origin founded?
Blue Origin was founded in 2000 by Jeff Bezos, two years before SpaceX. It worked almost in silence for its first decade, flew the suborbital New Shepard from… more…
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What is high gravity in space?
Nothing in space has high gravity in the everyday sense; what crews actually feel is high g-load, the acceleration of a launch or a re-entry pressed into them… more…
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Why is gravity different in space?
Because the pull you feel depends on how much mass is nearby and how far you are from its centre. The Moon's surface gravity is 1.62 m/s2, about a sixth of… more…
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Why is blue origin so far behind spacex?
Blue Origin started earlier than SpaceX but moved deliberately, funded by Jeff Bezos rather than by customers, and spent well over a decade on suborbital… more…
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How much an astronaut get paid?
NASA civil-servant astronauts are federal employees paid on the standard General Schedule, and the agency states that astronaut candidates start at the GS-12… more…
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Astronauts and life in space
How long spacex ipo will last?
The question rests on a false premise: SpaceX has not held an initial public offering, and there is no announced date for one. The company remains privately… more…
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Astronauts and life in space
How fast do astronauts travel in space?
About 28,000 km/h (17,500 mph) for anyone aboard the International Space Station — roughly 5 miles per second, one lap of the planet every 90 minutes. Orbital… more…
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How long blue origin in space?
A New Shepard flight lasts about ten to eleven minutes from liftoff to touchdown, of which roughly three minutes are spent in weightlessness above the Kármán… more…
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When did astronauts first land on the moon?
On 20 July 1969. The Apollo 11 lunar module Eagle touched down in the Sea of Tranquility that afternoon US time, and Neil Armstrong stepped onto the surface a… more…
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How does an astronaut poop in space?
With suction instead of gravity. Space toilets use a fan-driven airflow to pull waste away from the body: solid waste goes into a bag inside a canister, urine… more…
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How does gravity work in space for kids?
Gravity does not switch off in space. At the altitude of the International Space Station, about 400 km, Earth's pull is only a little weaker than on the… more…
Astronauts and life in space
When did astronauts last walk on the moon?
Apollo 17, in December 1972. Eugene Cernan and Harrison Schmitt landed in the Taurus-Littrow valley on 11 December 1972, worked on the surface for three days… more…
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How much an astronaut earn?
NASA's civilian astronauts are ordinary federal employees: they draw a General Schedule salary set by grade and step, with no bonus for a launch or a… more…
Astronauts and life in space
When did astronauts walk on the moon?
Twelve astronauts walked on the Moon between July 1969 and December 1972, on six Apollo landings. Neil Armstrong and Buzz Aldrin were first, stepping out on… more…
Astronauts and life in space
How does blue origin land?
Propulsively, tail first. New Shepard's booster restarts its BE-3PM engine, steadies itself with a ring fin and drag brakes and touches down on a concrete pad… more…
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How long was the space race?
The Space Race is conventionally dated from the Soviet launch of Sputnik 1 on 4 October 1957 to the Apollo-Soyuz Test Project docking of July 1975, about… more…
Astronauts and life in space
How long apollo 11 on moon?
Twenty-one hours and 36 minutes, from Eagle's touchdown at 20:17 UTC on 20 July 1969 to lift-off the following day. Only part of that was spent outside: the… more…
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How long a rocket takes to reach space?
Minutes, not hours. A suborbital New Shepard flight crosses the 100 km Karman line a few minutes after lift-off and the whole trip lasts about 11 minutes… more…
Astronauts and life in space
Why is blue origin so slow?
Blue Origin was built on deliberate, owner-funded incrementalism: its motto is Gradatim Ferociter, step by step, and it spent its first two decades on… more…
Astronauts and life in space
Why did neil armstrong die?
Neil Armstrong died on 25 August 2012, aged 82, from complications following cardiovascular surgery. A stress test that month had revealed blocked coronary… more…
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How does an astronaut get paid?
Like any other government employee, in the case of NASA: civilian astronauts are federal civil servants paid on the General Schedule, with a regular salary… more…
Astronauts and life in space
How much blue origin worth?
Blue Origin is privately held and has never published a valuation. It is owned and funded by Jeff Bezos, has no shares traded, files no public accounts and… more…
Astronauts and life in space
How long did the space race last?
About 18 years on the usual reckoning: from Sputnik 1 on 4 October 1957 to the Apollo-Soyuz docking in July 1975, when American and Soviet crews shook hands… more…
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Why yuri gagarin died?
He died in a plane crash, not in space. On 27 March 1968 the MiG-15UTI trainer he was flying with instructor Vladimir Seryogin went out of control near… more…
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What is artificial gravity in space how it form?
No crewed spacecraft flying today produces artificial gravity; the station and every capsule in service are in permanent free fall. The only practical recipe… more…
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How long astronauts stay in space station?
A standard International Space Station expedition lasts about six months. Crews launch on Soyuz or Crew Dragon, hand over to their replacements and come home… more…
Astronauts and life in space
How long starship to moon?
Starship is not the vehicle that carries a crew from Earth to the Moon. Under NASA's Artemis plan it flies uncrewed to lunar orbit after refuelling in Earth… more…
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Why is blue origin rocket called new glenn?
New Glenn is named after John Glenn, the NASA astronaut who in February 1962 became the first American to orbit the Earth aboard Friendship 7. Blue Origin… more…
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Does gravity change in space?
Yes — it weakens with distance, but it never switches off. Gravity falls with the square of the distance from a body's centre, so at the 400 km (250 mi)… more…
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How much an astronaut salary?
There is no single astronaut salary. NASA's civilian astronauts are ordinary federal employees paid on the government-wide General Schedule, at grades set by… more…
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Why does astronauts wear diapers?
Because there are stretches of a mission when leaving the suit is impossible. During launch, re-entry and spacewalks an astronaut may be sealed in for many… more…
Astronauts and life in space
How long apollo 11 took to reach moon?
Apollo 11 took a little over three days to reach the Moon. It lifted off on 16 July 1969 and entered lunar orbit on 19 July, roughly 76 hours after launch… more…
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What yuri gagarin eat in space?
Vostok 1 lasted 108 minutes on 12 April 1961, too short for a meal. Gagarin carried food in aluminium tubes, and Soviet accounts say he sampled pureed meat… more…
Astronauts and life in space
When did astronauts go to the moon?
Twelve people have walked on the Moon, all between July 1969 and December 1972. Apollo 11 landed on 20 July 1969 with Neil Armstrong and Buzz Aldrin. Five… more…
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How does an astronaut float in a space shuttle?
The same way as in any orbiting vehicle: the Shuttle, its crew and every loose object fell around Earth together at the same rate, so nothing pressed anyone… more…
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When was no gravity in space discovered?
There was no such discovery, because there is no absence of gravity in space. Astronauts float because they and their vehicle fall around the Earth together… more…
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How long did the saturn v take to build?
Development of the Saturn V ran from 1962, when NASA settled on the configuration, to its first flight in November 1967 — roughly five and a half years from… more…
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How high do astronauts orbit the earth?
Crewed spaceflight today happens a few hundred kilometres up. The International Space Station orbits at about 400 km, lapping the planet roughly every 90… more…
Astronauts and life in space
How long did the space race take?
Just under twelve years, if you date it from Sputnik 1 on 4 October 1957 to the Apollo 11 landing on 20 July 1969. Stretch the definition to the Apollo-Soyuz… more…
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Why does an astronaut?
The question is cut off, so here are the three it usually is. Astronauts float because they are in free fall around Earth, not because gravity has vanished… more…
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How long an astronaut can stay in space?
There is no fixed limit, only medical and logistical ones. Standard ISS tours last about six months; the record for a single flight is 437 days, set by Valeri… more…
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Why did blue origin explode?
No Blue Origin rocket has exploded with people on board. The event usually meant is NS-23, an uncrewed New Shepard research flight in September 2022: the… more…
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Why do astronauts wear space suits?
Because vacuum kills in seconds and the suit is a one-person spacecraft: it holds pressure around the body and supplies breathable oxygen, temperature… more…
Astronauts and life in space
How many astronauts have walked on the moon?
Twelve. Between July 1969 and December 1972, twelve NASA astronauts set foot on the lunar surface across six Apollo landings, from Neil Armstrong and Buzz… more…
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How long did yuri gagarin stay in space?
One orbit and 108 minutes. Vostok 1 lifted off from Baikonur on 12 April 1961 and Yuri Gagarin was back on the ground near Engels, in the Saratov region, one… more…
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Why does astronauts float in space?
Because they are in free fall, not because gravity is absent. At the International Space Station's altitude of about 400 km, Earth still pulls almost as hard… more…
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Why is gravity important in space?
Because gravity is what organises space. It holds the ISS, the Moon and the planets in their orbits, builds stars and planets out of clouds of gas, and lets… more…
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Why does an astronaut float in space?
Not because gravity has gone. At the International Space Station's altitude of about 400 km (250 mi), Earth still pulls almost as hard as at sea level. The… more…
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Is there gravity in deep space?
Yes. Gravity has no edge: it weakens with the square of the distance but never falls to zero, so even the emptiest interstellar space is threaded by the pull… more…
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How much gravity in outer space?
Gravity is everywhere and never falls to zero; it only weakens with distance, following an inverse-square law. Surface gravity is 9.80 m/s² on Earth, 1.62… more…
Astronauts and life in space
How fast do astronauts travel to the moon?
Speed changed constantly. Apollo 11 covered the 384,400 km to the Moon in just over four days from lift-off to touchdown, a mean pace below 4,000 km/h. But… more…
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How long astronauts stay on moon?
So far, between about 21 hours and three days. Apollo 11 spent roughly 21 and a half hours on the lunar surface in July 1969; Apollo 17, the last landing… more…
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What are blue origin leadership principles?
Blue Origin's leadership principles are the behaviours it hires, reviews and promotes on, set out on its careers pages rather than as a widely published… more…
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How does gravity in space work?
Gravity works the same way in space as on the ground: every mass attracts every other, with a pull that weakens as the square of the distance. Nothing shields… more…
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Why do astronauts go to space?
To do things that can only be done in orbit. Permanent free fall gives a laboratory where flames, fluids, alloys and crystals behave differently, and the crew… more…
Astronauts and life in space
How long neil armstrong stayed on moon?
Neil Armstrong was on the Moon for about 21 hours and 36 minutes: Eagle landed on 20 July 1969 at 20:17 UTC and lifted off the next day at 17:54 UTC. Of that… more…
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How does blue origin work?
Blue Origin is a private space company founded by Jeff Bezos in 2000. It builds and flies its own rockets and engines: New Shepard, a reusable suborbital… more…
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Why does blue origin have a feather?
The feather is Blue Origin's emblem of flight, and it appears on the company crest alongside the Latin motto gradatim ferociter, step by step ferociously. Two… more…
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Why did yuri gagarin die?
Gagarin died in an aircraft crash, not in a spacecraft. On 27 March 1968 the MiG-15UTI trainer he was flying with instructor Vladimir Seryogin went down in… more…
Astronauts and life in space
How long was neil armstrong in space?
Neil Armstrong flew in space only twice. Gemini 8, in March 1966, was cut short by a stuck thruster and came down the same day it lifted off; Apollo 11, in… more…
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How much nasa scientists earn?
NASA scientists and engineers are US federal civil servants paid on the General Schedule, so their salaries follow published GS grades and steps rather than… more…
Astronauts and life in space
How long apollo 11 stay on the moon?
Apollo 11 spent 21 hours 36 minutes on the lunar surface. Eagle landed at 20:17:40 UTC on 20 July 1969 and lifted off at 17:54:01 UTC on 21 July. Only 2 hours… more…
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How much an astronaut earn in india?
India has no separate astronaut pay scale. The Gaganyaan astronaut-designates are serving Indian Air Force test pilots, so they draw the salary, rank pay and… more…
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Why does an astronaut feel weightless in space?
Because they are in free fall, not because gravity has vanished. At the ISS altitude of about 400 km Earth's pull is only slightly weaker than at sea level… more…
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Why is there gravity in space?
Because gravity is a property of mass itself, not of air or of standing on the ground. Any object with mass curves the space around it, and that influence… more…
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How does an astronaut look like?
There is no astronaut physique or face: crews are ordinary adults who pass a medical and a selection board. What is distinctive is the kit — white… more…
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What is an astronaut's maximum absorbency garment?
The MAG is the absorbent undergarment worn under a pressure suit — in plain terms an engineered adult diaper. It is used during launch, re-entry and… more…
Astronauts and life in space
How long did neil armstrong walk on the moon?
Neil Armstrong's moonwalk lasted about two and a half hours. He stepped onto the lunar surface late on 20 July 1969 and the extravehicular activity ran… more…
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Why is no gravity in space?
There is gravity in space: the ISS orbits inside a field only about a tenth weaker than at sea level. What is missing is weight. The station and everyone in… more…
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Why do astronauts land in water?
Because water absorbs an impact that would otherwise be punishing. A capsule under parachutes still arrives hard, and the sea spreads that blow across the… more…
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Why did yuri gagarin died so young?
He was 34 when the MiG-15UTI trainer he was flying crashed on 27 March 1968, seven years after his single orbital flight. Grounded for years as a state… more…
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How does gravity form in space?
Gravity is not formed in space; it is already everywhere. Any mass curves spacetime around it, so the Earth, the Sun and the International Space Station all… more…
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How high do astronauts go?
It depends on the mission, and the range is enormous. Suborbital tourists reach just past 100 km. The International Space Station orbits near 400 km. Shuttle… more…
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Is there gravity in space?
Yes. Gravity is everywhere and never switches off; it is what keeps the Moon around the Earth and the Earth around the Sun. At the altitude of the… more…
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How much an astronaut is paid?
NASA's civilian astronauts are ordinary federal employees, paid on the General Schedule grade-and-step scale with no bonus per flight, per spacewalk or per… more…
Astronauts and life in space
What is blue origin company?
Blue Origin is an American space company founded in 2000 by Jeff Bezos and based in Kent, Washington. It builds the reusable suborbital New Shepard, which… more…
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How much gravity is in space compared to earth?
It depends entirely on where in space you are, and near Earth the answer surprises people: at the International Space Station's 400 km altitude, gravity is… more…
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What is gravity in space compared to earth?
Earth's 9.80 m/s² is the yardstick. Aboard the ISS, 400 km (250 mi) up, gravity is still about 90% of that value, even though the crew floats. On the Moon it… more…
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Why do astronauts float in space?
Because they are falling, not because gravity is missing. At 400 km (250 mi) up, Earth still pulls with about 90% of the force felt at sea level, but the… more…
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How much astronauts get paid?
They draw ordinary salaries, not flight bonuses. NASA's civilian astronauts are federal civil servants paid on the government-wide General Schedule, with the… more…
Astronauts and life in space
How many apollo 11 astronauts are still alive?
One. Buzz Aldrin, born on 20 January 1930, is the only surviving member of the Apollo 11 crew (as of September 2026). Neil Armstrong, the first person to walk… more…
Astronauts and life in space
How long a rocket takes to reach the moon?
Roughly three days on a crewed Apollo-type trajectory: Apollo 11 lifted off on 16 July 1969, entered lunar orbit on 19 July and landed on 20 July. Robotic… more…
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How much blue origin rocket cost?
Blue Origin does not publish a list price for its rockets, so there is no official figure. Seats on the suborbital New Shepard have been sold at auction and… more…
Astronauts and life in space
How many apollo 11 astronauts walked on the moon?
Two of the three. Neil Armstrong and Buzz Aldrin walked on the Moon on 20 July 1969, spending about two and a half hours outside the lunar module Eagle… more…
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Why is gravity in space?
Gravity is everywhere in space, and that is exactly why orbits exist. At the International Space Station's altitude of about 400 km, Earth's pull is still… more…
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Why did blue origin rocket explode?
No Blue Origin rocket has exploded with people aboard. The event usually meant is the uncrewed New Shepard flight NS-23 on 12 September 2022, when the… more…
Astronauts and life in space
How long is the saturn v?
The Saturn V stood 110.6 m (363 ft) tall with the Apollo spacecraft and escape tower in place, and its first stage was 10.1 m (33 ft) in diameter. It held the… more…
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Why do astronauts say houston?
Because Houston is where mission control is. Since 1965, crewed US spaceflights have been controlled from the Mission Control Center at what is now NASA's… more…
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How much gravity in space station?
Almost as much as on the ground: about 8.7 m/s² at the International Space Station's altitude of roughly 400 km (250 mi), close to 90% of the 9.80 m/s²… more…
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How does gravity exist in space?
Gravity is a property of mass itself, so it exists everywhere there is matter, including the vacuum of space. Its pull weakens with the square of the distance… more…
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How much an astronaut suit cost?
Spacesuits have no catalogue price: each one is a bespoke development programme. NASA's Office of Inspector General reported that the agency had spent more… more…
Astronauts and life in space
How long astronauts stay in space?
Most crew members fly a standard increment of about six months aboard the International Space Station. A few have stayed far longer: the endurance record for… more…
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How many astronauts have died in space?
Three. Only the Soyuz 11 crew - Georgi Dobrovolski, Vladislav Volkov and Viktor Patsayev - have died in space itself, when their capsule lost its air in June… more…
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Why do astronauts feel weightless in space?
They are not beyond gravity: they are falling. A spacecraft in orbit and everything inside it fall towards Earth together, and their sideways speed keeps them… more…
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What is gravity in space time?
In general relativity, gravity is not a force pulling objects together but the curvature of spacetime itself. Mass and energy bend the four-dimensional… more…
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Why is blue origin logo a feather?
Blue Origin uses the feather as an emblem of flight itself: the company presents it as a symbol of flight's perfection, grace and freedom rather than of speed… more…
Astronauts and life in space
How many apollo 11 astronauts were there?
Three. Apollo 11 launched on 16 July 1969 with commander Neil Armstrong, lunar module pilot Edwin "Buzz" Aldrin and command module pilot Michael Collins… more…
Astronauts and life in space
How high did astronauts jump on the moon?
Not very high: a few tens of centimetres at best, despite gravity being one sixth of Earth's at 1.62 m/s². A pressurised suit and a life-support backpack made… more…
Astronauts and life in space
What are blue origin rockets?
Two vehicles, plus a family of engines. New Shepard is a reusable suborbital rocket with a six-seat capsule that flies above the Kármán line at 100 km. New… more…
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How long neil armstrong on moon?
Armstrong spent about 2 hours 31 minutes outside the lunar module on the surface, and roughly 21 hours 36 minutes on the Moon in total, counting the time… more…
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