Bài 1

Which of these is the largest planet in the Solar System?

• Earth
• Mars
• Mercury
• Jupiter
• Pluto

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

Which of these celestial bodies are planets?

• Venus
• Neptune
• Uranus
• Pluto

Name any one of the two moons of Mars

What would you do in outer space?

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Which of these is your favorite?

• Stars
• Planets
• Comets

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