Multiple choice general knowledge science & technology

As per Nasa Which Exoplanets Which is in the Habitable Zone?

  1. Gliese 581c

  2. Gliese 581e

  3. Gliese 581b

  4. Gliese 581g
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gliese 581g was announced in 2010 as a potentially habitable exoplanet in the Gliese 581 system's habitable zone - the region where liquid water could exist on a planet's surface. Note: Later studies questioned its existence, but this question tests the original NASA claim about habitable zone location.

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