Possible Worlds: The most promising ones.

The Notion

Goldilocks and The Bears

To find another planet like Earth, astronomers are focusing on the ‘habitable zone’ around stars — where it’s not too hot and not too cold for liquid water to exist on the surface.

1. Kepler-442b

Kepler-442b as compared to Earth

2. Kepler-22b

Kepler-22b orbits around Kepler-22 and maintains an average distance of 15% less than the distance between the Sun and the Earth, however, the light radiating by Kepler-22 happens to be 25% less powerful than the luminosity of the Sun.

Artist impressions of Kepler-22b

3. HD 40307g

HD 40307 (Artist Impression)

4. Gliese 667Cc

Another “super-Earth”, Gliese 667Cc is also close by Earth: about 22 light-years away in the constellation Scorpius. The planet is at least 4.5 times bigger than Earth, and takes 28 days to make an orbit around its parent star. GJ 667C — the parent star — is actually part of a triple-star system. The star is an M-class dwarf star that is about a third of the mass of Earth’s sun.

5. Kepler-186f

NASA Ames/SETI Institute/JPL-CalTech

What we can Expect in coming future?

Until and unless James Webb Telescope is up and running, we won’t be looking at an amazing breakthrough , though there are other possible worlds too , the newly found Trappist-b,c,d,e shows a great promise and the search continues.



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Aayushi Vaish

Aayushi Vaish

An Explorer of the Infinite Multiverse . MS - Physics , Northeastern University.