Space science trivia questions, with
the answers.
Which is the nearest star to our solar system?
A: Alpha Centauri.
Which planet is covered with frozen methane?
A: Pluto.
Where would you find the Aphrodite Terra?
A: Venus.
Which planet has an atmosphere composed mainly of oxygen and nitrogen
in a ratio of 1 to 4?
A: Earth.
What is the name of the largest moon of Uranus?
A: Titania.
What is the largest asteroid, orbiting the Sun every 46 years?
A: Ceres.
Where would you find the Caloris Basin?
A: Mercury.
What is a pulsar?
A: A rapidly rotating neutron star.
Which planet, apart from the Earth, was the first to be orbited by a
human made object?
A: Mars.
Whose theories for ever banished the ether from science?
A: Albert Einstein.
Jupiter is largely composed of hydrogen and which other gas?
A: Helium.
What exists within ten dimensions?
A: Superstring.
What is a red giant?
A: A large, old, bright star.
Which constellation is named after the mother of Andromeda?
A: Cassiopeia.
Which planet has a great dark spot?
A: Neptune.
Which theory suggested that the universe had no beginning?
A: Steady-state theory.
Which was the first crewed Apollo spacecraft to orbit the Earth?
A: Apollo 7.
Which galaxy is closest to the Milky Way?
A: Large Magellanic Cloud.
What is the name given to the study of the origins of the cosmos?
A: Cosmogony.
Which planet has the lowest density?
A: Saturn.
The energy of the Sun is produced by which kind of reaction?
A: Fusion.
Which planet is composed of an inner core, a mantle, and an outer
crust?
A: Earth.
In which constellation can Betelgeuse be found?
A: Orion constellation.
When did the Big Bang take place?
A: Approximately 15 billion years ago.
How strong is the Moon's gravity, compared with the Earth's?
A: One-sixth as strong.
Europa is a moon of which planet?
A: Jupiter.
What is the Hertasprung-Russell diagram?
A: A graph plotting the luminosities of stars against their
temperatures.
Which planet has the largest number of moons?
A: Saturn.
Which gas gives Neptune its blue color?
A: Methane.
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