Which were the first living things to be sent into space?
The dark rings seen by the Hubble Telescope when new stars form are called…
How many exoplanets (planets in orbit around other stars) have been spotted so far?
Which two gases do astrobiologists often look for when trying to detect life on other planets?
How long does it take for radio signals to travel between Earth and Mars?
Acidophiles like extremely low pH levels. True or false?
Halophiles like extremely bright conditions. True or false?
Xerophiles like extremely dry climates. True or false?
In which year did the ‘water bear’ become the first living organism to survive in the vacuum of space without protection?
After a period of time in space, astronauts can experience which of the following physiological changes?
What element, similar to carbon, do some astrobiologists think could support life?
The treatment of which health condition was improved by technology developed to explore the surface of Mars?
Where in the solar system, other than Earth, has liquid water been detected by astrobiologists?
Roughly how much does it cost per kilogram to put something into the Earth’s orbit?
The Earth’s atmosphere consists mostly of which gas?
Carbon is vital to life on Earth. What percentage of the human body is carbon?