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The Earth will last as a chunk of rock for a very long time. It is already 4,600 million years old. Astronomers who study the Universe tell ... happens, then we shall all have to move further out. How would you like to live on Mars? The Earth does have other long term threats, too, such as an eventual asteroid impact ... may need it someday, in the very distant future Meanwhile, while we live here on Earth, we need to look after our environment and precious atmosphere. ---- Answer provided by Derek Webber ...

... . The rovers were designed to last for only three months but are currently both approaching 600 working days The rovers cannot function indefinitely. Over time, they will be unable to store enough ... daytime to prevent the temperature of their components from falling too low. Eventually, the cold will cause the rovers' systems to fail. ---- Answer provided by Laura Peckyno & Robert Peckyno Image:K2S ...

... question easily because time is part of space. A quick investigation shows that it will last for an incredibly long time, perhaps trillions of years. ---- Answer provided by Jim Zebrowski Image:K2S logosmall ...

Robots will generally last as long as their batteries last. Just like car batteries, robot batteries can be charged and recharged, but at some point ...

... is the main limitation to safe, long-duration human spaceflight—if we aren't using our muscles against gravity like we do here on Earth everyday, they waste away. Also there ... Earth. So until scientists find a way to protect us from these effects, holidays in space will be limited to a few months, including the trip home. Of course by then spaceships will ...

... on it being about a month in length, ironically. It will take about three to seven days each way, depending on how transportation is arranged, with a two-week stay in between ...

You will be weightless as long as you are in orbit. Once you slow down, even a very little, gravity will start to pull you toward the Earth and you will then re-enter the Earth's atmosphere and eventually end up on the surface of the Earth. ---- Answer provided by ...

... again. Between an orbiting hotel and the Moon, which is about 236,000 miles from Earth, it would take a matter of days using a standard liquid propellant fuel. Between planets distances are much greater—for instance the Earth and Mars are on average about 62 million miles apart. This is a small distance ...

Planets will last longer than our Sun—more than five billion years. ---- Answer provided by Ed Frederick, ...

... Earth could be reached in a matter of hours. To reach hotels on the Moon, it would take a couple of days. Our first space modules will be parked at the lower Earth orbit, approximately 185 to 250 miles above Earth. They will travel around Earth at five miles per second, so we will need to time our ...

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