What do astronauts use instead of showers in space?
What is a sponge bath?
What vehicle is used to travel into space?
What is a spacecraft?
What is the "just right" zone around a star where liquid water might exist?
What is the habitable zone?
What space technology helps us use GPS on our phones?
What is a satellite?
Why do astronauts wear blindfolds when sleeping in space?
What is to block out the sun, since there is no sunset in space?
What do life-support systems provide astronauts?
What is air, water, pressure, temperature control, and waste removal?
What planet in our Solar System is the most likely to have had water in the past?
What is Mars?
Which satellite helps us know what the weather will be?
What is a weather satellite?
Without gravity, why do astronauts have to exercise?
What is because muscles can weaken without regular use?
What tool helps scientists study distant planets by measuring light and heat?
What is a telescope?
What moon of Jupiter may have an ocean under its icy surface?
What is Europa?
Which Canadian satellite helps study the air we breathe?
What is SCISAT?
What happens to your blood if you take off your space suit in space?
What is it starts to bubble from low pressure?
What tool tells scientists what a planet or atmosphere is made of?
What is a spectroscope?
What do scientists call planets that orbit other stars?
What are exoplanets?
How do satellites help farmers grow crops?
What is by telling them when to water their fields?
Why do astronauts feel dizzy and sick when they first enter space?
What is because of zero gravity and the feeling of weightlessness?
Why does it take a long time to send messages from Mars to Earth?
What is because the distance is so great?
What are three things life needs to exist on a planet?
What are water, energy, and a stable environment?
Why can satellite phones work anywhere in the world?
What is because they send signals through space?