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🏠 Home › MCQs › International Current Affairs › Question

In exoplanetary science, what defines a ‘Super-Earth’?

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By Zain

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Fact Checked

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Difficulty Medium

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Published 15 Feb 2026

A. Gaseous composition with 10 to 20 times Earth's mass

B. Icy composition orbiting beyond the star's snow line

C. Rocky composition with 2 to 10 times the mass of Earth

D. Primarily Hydrogen/Helium, but smaller than Neptune

E. An exoplanet orbiting within its star's habitable zone

💡 Explanation:

Super-Earths are a category of exoplanets characterized by being rocky, similar to Earth in composition, but with a mass ranging between approximately two and ten times that of Earth. They are distinct from Mini-Neptunes, which are gaseous and smaller than Neptune.

📚 Topics: International Current Affairs

🎯 Exams: CSS PMS UK_CS US_COMP

🏷️ Tags: Astrophysics Exoplanets Scientific Terminology Space Technology

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