While hydrogen sulfide is very unpleasant to the human nose, it is still an important discovery.
This marks the first instance of hydrogen sulfide being found on a planet outside our solar system.
Hydrogen sulfide contains sulfur, which results in the familiar rotten-egg stink.
“Hydrogen sulfide is a major molecule that we didn’t know was there.
The planet is 13 times closer to its star than Mercury is to the sun.
Closest exoplanet to Earth
Exoplanets describe planets that exist outside of Earth’s solar system.
Earthlings won’t be colonizing that planet any time soon and it’s not just for distance reasons.
Despite it basically being hell in planet form, HD 189733 b is an important planet for research.
It was one of thefirst exoplanets to have a thermal mapmade of it.
NASA also used the Hubble Space Telescope to measure the planet’s water vapor levels and found nearly nothing.