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What did scientists find that made them think there might be life on planet K2-18b?
They found gases that are made by bacteria and small plants
Why do scientists say they need "more information" about planet K2-18b?
They are not 99.99999%, they are only 99.7% certain. They need more proof.
habitable
when living creatures are able to live somewhere
Alien
a living thing from another planet
Bacteria
tiny living things made from one cell
Molecules
a tiny chemical piece of something
Atmosphere
the air and gases that surround Earth
To orbit
when something in space goes around a star/planet/moon
Gases
substances like air, where its molecules can move freely
telescope
a device that lets us see far away planets
