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Exploring the Terrestrial Planets

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Questions and Answers

Which planets in the Solar System are considered terrestrial planets by the IAU?

Earth, Moon, Io, and Europa

Pallas and Vesta

Jupiter, Saturn, Uranus, and Neptune

Mercury, Venus, Earth, and Mars (correct)

What is the primary composition of terrestrial planets?

Ice and rock

Hydrogen, helium, and water

Gas and dust

Silicate rocks or metals (correct)

Which celestial bodies may also be considered terrestrial planets by some astronomers?

Gas giants

Earth's Moon, Io, and sometimes Europa (correct)

Jupiter, Saturn, Uranus, and Neptune

Pallas and Vesta

Which planets in the Solar System are considered terrestrial planets?

Mercury, Venus, Earth, Mars Signup and view all the answers

What are some surface structures that terrestrial planets can have?

Canyons, craters, mountains, and volcanoes Signup and view all the answers

What is the primary source of secondary atmospheres on terrestrial planets?

Volcanic out-gassing Signup and view all the answers

Which of the following is NOT a terrestrial planet?

Jupiter Signup and view all the answers

Which type of planets are more easily detectable outside the Solar System?

Gas planets Signup and view all the answers

What is the mass range of super-Earths?

Between Earth's and Neptune's Signup and view all the answers

What is the transition point for super-Earths to become gas planets?

Two Earth masses Signup and view all the answers

Which planet was the first confirmed terrestrial exoplanet?

Kepler-10b Signup and view all the answers