if its a planet like earth, nothing much. if its the moon or another planet, risk of dying from running out of supply, or get a hole in a spacesuit,hole in spacecraft or home in there house.
also may be a risk of micro gravity on the person that's waiting for the people on the moon in space.
it will be musty & moldy
No, because of the extreme heat, the thick atmosphere, and the long term trip for the astronaut.
The alien in Planet 51 is named "Lem." He is a human astronaut who lands on Planet 51 and must navigate his way through the alien world with the help of its inhabitants.
Since anticyclones suppress rain, the result will be a drought.
It takes about 13 years to become an astronaut.
You do not say what will harm the earth. The earth is a dynamic planet, if it did not have the processes which cause earthquakes and volcanoes it would be a dead planet. While earth stays dynamic, constantly active, it is the perfect place for us.
Their head will grow rapidly and will get darker if it stays in the sun for too long. Basically don't leave them in the sun if they are pregnant.
If the vampire stays in the sunlight for a long time, all its needs become red, and it will die.
I would think it is a long but if you sound it out it can be both
89 minutes.
In Ohio it stays on for 3 years.
It stays with you.