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Why can't a hot air balloon float in outer space?

A hot air balloon requires air to generate lift. In outer space, there is no air or atmosphere, so there is nothing for the hot air balloon to displace to generate lift, causing it to be unable to float.


What is the air composition in space?

I assume here that by "air composition" you mean the material between planets and stars. Typically space is nothing; or rather almost nothing. You can think of it as a very big room where all the air has been sucked out and the preassure is zero or very close to zero. That being said there is actually material floating around out there: planets, asteroids, stars and even big clouds of different types of gas. So to answer your question, you can't really talk about "air composition" in space, because mostly there is nothing at all.


What can you touch in space?

In space, you can touch the surfaces of your spacecraft or space station, as well as any tools or equipment you have with you. However, you can't touch anything outside of your spacecraft or space station, as there is no air in space to transfer the sensation of touch.


What propells the space shuttle in space?

The space shuttle's main engines are used to propel it into orbit and make course corrections in space. Once in orbit, thrusters are used to adjust its position and orientation. Additionally, the shuttle can rely on gravity assists and other celestial phenomena to maneuver in space.


Why can't you hear someone shouting from the moon?

Sound requires a medium such as air to travel through. There is no air on the moon or in the space between Earth and the moon, and thus nothing to carry the sound.

Related Questions

What has nothing in it not even air?

A vacuum is a space in which all air has been sucked out.


What is the scientific term for a space that contains absolutely nothing not even air?

vacuum or void


Is there air resistence in space?

no. Actually air exist on the surface of planets. It sticks to them because of gravitational force. there are no air particles in space. space is just nothing.


How do scientists refer to air?

Scientists call air, air. There is nothing unscientific about the term air.


Why can't a hot air balloon float in outer space?

A hot air balloon requires air to generate lift. In outer space, there is no air or atmosphere, so there is nothing for the hot air balloon to displace to generate lift, causing it to be unable to float.


What artifacts from US colonization times can be seen in Museum of Air and Space Washington DC?

The Air and Space museum has nothing from the colonies. It deals with space exploration and has space suits and moon rocks.


What would happen if you pop a basketball in space?

Due to the vacuum of space, nothing. The air would be dispersed and have no effect on anything in space


What is as big as an cheetah but weighs nothing?

Yourself in outer space. Your reflection. Your shadow.


How does the sun smell?

Like nothing because there is no air in space to carry the scent


What do you call the air flow from a conditioned space to the air conditioning unit?

I believe that would be called return air.


What do you call television airtime when nothing is shown?

When a station is off it is called OFF-AIR. When the station is on but nothing is playing, it's called DEAD-AIR.


What do you call empty space with no air?

A vacuum is empty space with no air. It is a region where the pressure is significantly lower than atmospheric pressure, resulting in the absence of air or any other gas molecules.