# LISTEN: Astronomers just spotted a new ‘Super Earth’ planet that feels a whole lot like home

By Sciences · Published 2017-12-14 · Updated 2026-07-23 · Sciences on MarketScale
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> Astronomers have discovered a new SUPER EARTH planet that could be the next frontier. K2-18b was originally discovered in 2015 but after further study by astronomers has been categorized as a SUPER EARTH planet. Right now, scientists have narrowed down the planets makeup to being either mostly rocky with a gaseous atmosphere like Earth OR…

## Key points

- K2-18b is categorized as a Super Earth, discovered in 2015.
- The planet's composition might be rocky with a gaseous atmosphere or a water planet with ice.
- The James Webb Space Telescope will help determine the atmospheric details of K2-18b.

Astronomers have discovered a new SUPER EARTH planet that could be the next frontier. K2-18b was originally discovered in 2015 but after further study by astronomers has been categorized as a SUPER EARTH planet. Right now, scientists have narrowed down the planets makeup to being either mostly rocky with a gaseous atmosphere like Earth OR a water planet with thick layers of ice covering its surface. “With the current data, we can’t distinguish between those two possibilities,” says Ryan Cloutie, PhD student at University of Toronto Scarborough. “But with NASA’s James Webb Space Telescope we can probe the atmosphere and see whether it has an extensive atmosphere or it’s a planet covered in water.” It’s sounds like the next Earth is in a galaxy not so far away after all.

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