Questions tagged [crewed-spaceflight]

Crewed spaceflight (also referred to as human spaceflight or manned spaceflight) is space travel with a crew aboard the spacecraft. When a spacecraft is crewed, it can be operated directly, as opposed to being remotely operated or autonomous.

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13
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687 views

Are there any plans to establish depots in space?

Fuel weight is a major limitation on the range of manned spacecraft. It might make sense to pre-position fuel tanks (establish depot/depots) in orbit with different planets and moons to serve as ...
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What feasibility studies are being conducted by ISRO concerning manned flight?

I was reading this article (sorry for the terrible formatting), and I noticed this statement made by an ISRO official: Nair said no decision has yet been made about sending Indian astronauts into ...
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Why are three cosmonauts required to move a Soyuz?

The opening paragraph of this article caught my eye*: Three space station crew members put on spacesuits and boarded their Soyuz spacecraft Friday for a short trip to relocate the capsule to a new ...
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Is winged flight possible in low/zero G environment?

Today, when discussing life in zero gravity this idea popped into my head. At first I was curious to know if any experiments have been done with birds in low/zero gravity environments. Has anyone ...
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Was the Apollo 13 CM guidance computer fully shut down?

I was watching the movie Apollo 13, and one thing struck me as quite odd. According to Wikipedia, [Movie director Ron] Howard went to great lengths to create a technically accurate movie, employing ...
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Why have so many space missions had a crew of 3?

Just reading about manned space-craft. Space travel on record is listed briefly on Wikipedia. The section on successful manned missions is of particular interest. Successful manned programs have, ...
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How do we make a round-trip journey to Mars?

I've been to Kennedy Space Center in Florida, where I saw the huge Saturn V rocket... This was used to get to people to the moon. It had a Lunar Module to propel itself on and off the moon's surface ...
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Did Biosphere 2 make any discoveries later used on manned space flight?

Biosphere 2 operated as a closed entity for study of closed ecological systems for stints between 1991 to 1994. Given that the ISS has been continuously inhabited from 2000 to the present day, it ...
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Why are there no more manned missions to the Moon?

Apollo 17 was the last manned mission to the lunar surface. Since then every country or organization I heard of are planning to send motorized, unmanned and automated lunar probes (list of plans). ...
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Could I build my own spaceship?

We all know that for most people access to space is currently pretty limited because space flight services are expensive, as they are in short supply. Suppose I wanted to bypass an expensive service ...
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Can I borrow a lunar rover?

According to Wikipedia there are 3 LRVs sitting on the moon, in very well defined locations. Would China, or whomever gets to the moon with a person next, be able to get in and drive around in an LRV ...
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Is The Grand Asteroid Challenge plausible or just a PR stunt?

The Grand Asteroid Challenge is a project to capture an incoming asteroid, enter it into a stable Lunar orbit and send a manned mission to its surface. That sounds... implausible at best. Do we have ...
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Did NASA use metric units for the Mercury missions?

Did NASA use metric or English units for Project Mercury? For example, did they measure delta-v in meters/second or in feet/second?
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If I want to be an astronaut pilot, what career should I start?

What kind of career should I start if I want to be an astronaut pilot? First astronauts were military aircraft pilots. Since those days, automatic flying was present in the spacecraft so that someone ...
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What kind of launch escape system (LES) does Dream Chaser have?

What kind of launch escape system will be aboard Dream Chaser?
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Does any country have real plans for a manned mission to Mars?

I'm curious as to whether or not any country has any real plans for a manned mission to Mars. Not a conceptual thing, but real, hard plans. If so, are there any specifics?
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Was Gordon Cooper the last man to fly a whole mission in space alone?

Movie The Right Stuff (1983) claims at the end that Gordon Cooper was the last man to fly alone in space (if I remember it correctly and dubbing is right). Beside that, Wikipedia also states that he ...
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What is the highest number of humans in space at the same time and what vessels were they on when it happened?

What is the highest number of human beings in space at the same time, and what vessels were they on when it happened?
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How do manned spacecraft achieve an airtight connection while docking?

By another question I was reminded how hard it is to build airtight equipment such as vacuum chambers from multiple pieces. Docking or berthing space ships / space station modules is a rather similar ...
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Gravity assist for manned travel

Since we already use gravity assist to launch satellites through the solar system, is there any way we can use gravity assist to speed up a manned trip to a planet such as Titan or Europa, while also ...
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What is the most sustainable method of recycling (human) solid waste on a manned space vessel?

After reading and answering James Jenkins's interesting question on wiping in space, I was curious about the usage of solid waste on a manned space vessel. In his question he mentions recycling solids ...
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Near-future consumer space travel

Is there any evidence to support the likelihood of widespread consumer space travel in, say, the next 20 years? I attempted to do some research on commercial space travel, and came across Virgin ...
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What is the United States' current plan to get back to launching people into space?

It has now been two years since the last Space Shuttle mission ended (July 21, 2011). Since then, the United States has not had its own capability to launch astronauts into space. To my knowledge ...
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How can we determine the optimal destination for a manned mission beyond our solar system?

The 100YSS mission currently includes a discussion about Alpha Centauri (our closest star) as a potential target destination, but is it really the best candidate for the 100YSS? To narrow the ...
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How to design a spacecraft to cope with redshift?

Redshift occurs whenever an observer moves away from (shifted to the red) or approaches (shifted to the blue; blueshift) an object that emits radiation and the other way around. Traveling towards ...
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Is there research on optimal control/command strategy/hierachy?

On manned-missions which take its participants further and further into space it will be quite difficult to have a control center on Earth as it takes longer an longer to communicate. It takes the ...
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Is there any research or recommendations for a diet in microgravity?

The Dietary Reference Intake (aka RDA) is formulated for humans operating at one Earth gravity. Is there a similar reference or any research supporting specific recommendations for a human in ...
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Is there research for the optimal small crew size for a long space voyage?

There are many factors in planning a long space voyage. The human interaction being one of them. Group dynamics have been studied in detail for naval and other military applications, the stations on ...
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What materials provide the best protection from cosmic radiation?

For long-distance manned missions, such as a mission to Mars, we are inevitably going to have to shield astronauts from cosmic radiation, especially in the event of a solar flare or SEP. What ...
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Are there any existing technologies, or research, that investigate the sustainable production of food for manned exploration trips?

With NASA planning to eventually get people to Mars, and with privately funded attempts such as Mars-One planning to do the same, and relatively soon, there is the issue of having to feed anyone you ...
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Is artificial gravity feasible in manned long-term space exploration?

We know that it is possible for humans to stay physically in shape during long term space missions (see for example Valeri Polyakov who stayed on Mir for more than 14 months for one trip). However, ...
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Have Mercury/Gemini/Apollo produced any unmanned descendants?

It is well known that Russian manned spacecrafts gave birth to multiple unmanned satellite projects (such as Bion spacecrafts, for example). Have Mercury/Gemini/Apollo spacecrafts or their direct ...
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What engineering challenges would be posed by a manned mission to Ceres? [closed]

I have read a lot of literature concerning manned missions to the Moon, Mars, and the Jovian moons. Something I have not heard much about, despite it's relative distance and interesting composition, ...
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“Failure is not an option” is really a quote of flight director Gene Kranz?

"Failure is not an option" is attributed to Gene Kranz, flight director of Gemini, Apollo and Space Shuttle missions. In the movie Apollo 13, Ed Harris says it but IMDB trivia states that it was not ...
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What advantages do manned missions have over robot missions? [closed]

With robots that can run for years on nuclear batteries, and in some cases even perform basic repairs to themselves, they seem like pretty capable instruments for space exploration. Aside from the ...
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What will be NASA's successor to the Saturn V rocket?

The Saturn V rockets were the "tallest, heaviest, and most powerful rocket ever brought to operational status and still holds the record for heaviest payload launched and heaviest payload capacity to ...