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The Exoplanet That Could Host Alien Life

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K2-18b isn't exactly like Earth. It's more like a Super-Earth. It's 2.6 times larger and almost nine times more massive than our planet. Scientists think it could be a Hycean exoplanet. #WhatIf #Cosmos #GeneralKnowledge #Science #Exoplanet

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Questions 12

Answers

1
How long would it take to reach K2-18b from Earth?
10,000 years
1,000 years
100,000 years
1.3 million years
2
True or False: K2-18b has a breathable atmosphere.
False
True
3
What type of star does Ross 128 b orbit?
Red dwarf
White dwarf
Yellow dwarf
Blue giant
4
What is the main challenge in studying exoplanets?
Their lack of atmosphere
Their small size
Their distance from Earth
Their unpredictable behavior
5
True or False: K2-18b is a Super-Earth.
False
True
6
What is the average temperature on Proxima Centauri b?
0 °C (32 °F)
200 °C (392 °F)
100 °C (212 °F)
-39 °C (-38 °F)
7
What is the second-closest potentially habitable exoplanet to Earth?
K2-18b
Alpha Centauri b
Ross 128 b
Proxima Centauri b
8
What is the closest star to Earth?
Proxima Centauri
Alpha Centauri
K2-18
Ross 128
9
What is the temperature on K2-18b?
0 °C (32 °F)
100 °C (212 °F)
200 °C (392 °F)
-100 °C (-148 °F)
10
What is K2-18b?
A Super-Earth
A mini-Neptune
A red dwarf star
A Hycean exoplanet
11
What method do scientists use to discover exoplanets?
Exploration method
Detection method
Observation method
Transit method
12
What is the main characteristic of a Hycean exoplanet?
It has a breathable atmosphere and water ocean
It has a methane-rich atmosphere and acid ocean
It has a carbon dioxide-rich atmosphere and ammonia ocean
It has a hydrogen-rich atmosphere and liquid ocean