The four inner/terrestrial planets of our solar system.
What are Mercury, Venus, Earth, and Mars?
100
The first astronaut to walk on the moon.
Who is Neil Armstrong?
100
The first NASA space shuttle to explode.
What is Space Shuttle Challenger?
100
The most widely recognized asterism within its constellation, Ursa Major.
What is the Big Dipper?
100
The galaxy that contains our solar system.
What is the Milky Way?
200
The four largest moons of Jupiter.
What are the Galilean moons?
200
The first Canadian woman and neurologist to go into space.
Who is Roberta Bondar?
200
The first component of the ISS.
What is Zarya?
200
A type of star which emits quick pulses of radio waves, therefore it is also known as a "blinking" star.
What is a pulsar?
200
A microgravity and space environment research laboratory in which crew members conduct experiments in biology, human biology, physics, astronomy, meteorology, and other fields.
What is the International Space Station?
300
The smallest known dwarf planet.
What is Ceres?
300
The first American woman to go into space.
Who is Sally Ride?
300
The three U.S. nodes on the ISS.
What is Unity, Harmony, and Tranquility?
300
One of the three largest recognized constellations.
What is Hydra, Virgo, and the Big Dipper?
300
A space telescope which observes in the near ultraviolet, visible, and near infrared spectra.
What is the Hubble Space Telescope?
400
The largest moon in our solar system.
What does the surface of Mars look like?
400
The first Japanese commander of the International Space Station?
Who is Koichi Wakata?
400
The only rovers to land on Mars.
What are Curiosity and Opportunity?
400
The atomic reaction that fuels stars with energy.
What is nuclear fusion?
400
The largest single ISS module developed by the Japan Aerospace Exploration Agency (JAXA).
What is Kibo?
500
A dry, barren wasteland marked by old volcanoes and craters.
What is the surface of Mars (look like)?
500
The first Japanese commander of the International Space Station.
Who is Koichi Wakata?
500
The first and going-to-be-launched expandable module of the ISS.
What is the Bigelow Expandable Activity Module?
500
The remains of a red giant star after it loses its outer layers.