Infographic: How hibernation could aid astronauts on long space flights. Space trips to the other planets would require months of travel through the vacuum of space. Maintaining the crew’s health is a vital concern. If the crew could be induced to hibernate, the problems of survival become easier to solve.
How dense is a black hole? Mind blowing space facts about the Universe for astronomy / astrophysics fans! Also make sure to visit www.kidsinorbit.com - Learn how to become an astronaut! 100% dedicated to kids science / astronomy! Image: NASA Earth Observatory images by Robert Simmon, using Suomi NPP VIIRS data from Chris Elvidge (NOAA National Geophysical Data Center).