WASP-39 b is a hot and puffy planet with a mass roughly one-quarter that of Jupiter and a diameter 1.3 times greater than Jupiter
Feb 13th: TRAPPIST-1: A System Full Of Hope
Aside from our own solar system, one of the most studied stellar systems lies about 40 light-years away in the direction of the constellation Aquarius. Seven rocky exoplanets orbiting the TRAPPIST-1 star. more about it at #365DaysOfAstro
Jan 30th: An Exoplanet Found in Another Galaxy
Astronomers have found evidence of a possible planet outside of our Milky Way galaxy. If confirmed, this is the first time that a planet has been detected in another galaxy. It is located in the spiral galaxy Messier 51, also called the Whirlpool Galaxy.
Jan 23rd: The First Exoplanet of JWST
The James Webb Space Telescope has detected its first exoplanet. Its name is LHS 475b, and astronomers believe it is remarkably similar to our own home planet.
Jan 9th: The Exoplanet That Shouldn’t Exist
Astronomers have found a planet around a red giant star that should have been destroyed, yet it still exists, leaving astronomers to wonder why the planet is still there. So what’s the puzzle?
Dec 26th: Proxima-b: The Exoplanet Next Door
Proxima Centauri-b is the closest exoplanet to Earth and lies within the habitable zone of its star. And not only that, but it’s in the habitable zone!
Dec 12th: How Many Exoplanets Are There?
Astronomers estimate there are more planets in our galaxy than there are stars. Just how many is that?
Nov 28th: JWST Measures Temperature of TRAPPIST-1b
The James Webb Space Telescope has made its first observations of the TRAPPIST-1 system and measured the temperature of TRAPPIST-1b!
Nov 14th: Exoplanets Are Everywhere
Did you know that the discovery of other planets in orbit around other stars is a very recent one? Only 25 years ago, we had no idea there were any planets in our galaxy besides those in our solar system. Now, not only have we discovered them, but astronomers estimate there are trillions of them. There are so many exoplanets out there that every star in our galaxy could have at least one.
Oct 24th: Kepler-22b: An Exoplanet With a Lot of Promise
Kepler-22b is one of the first exoplanets confirmed by the Kepler Space Telescope that resides in the habitable zone.