planets
Planet 9 Can’t Run Forever. Two Asteroids Give Up Some Clues
Last year, Caltech astronomers Mike Brown and Konstantin Batygin found indirect evidence for the existence of a large planet in…
Weekly Space Hangout – January 13, 2017: News Roundup Plus Update on Tabby’s Star!
Host: Fraser Cain (@fcain) Guests: Carolyn Collins Petersen (thespacewriter.com / space.about.com / @spacewriter ) Paul M. Sutter (pmsutter.com / @PaulMattSutter)…
What are the Planets of the Solar System?
The eight planets of the Solar System are a diverse and interesting bunch, ranging from airless and habitable terrestrial bodies…
What are the Different Masses of the Planets?
The planets of our Solar System differ considerably when it comes to their respective masses, even more so than their…
What Are The Diameters of the Planets?
The planets of our Solar System vary considerably, with some being a fraction of Earth's diameter, and others many times…
Thanks, Comet Pluto. Solar System Nomenclature Needs A Major Rethink
Thanks to new data from the New Horizons mission that shows how Pluto behaves as both a planet and a…
Three New Earth-sized Planets Found Just 40 Light-Years Away
Three more potentially Earthlike worlds have been discovered in our galactic backyard, announced online today by the European Southern Observatory. Researchers using the…
Who Discovered Gravity?
Among Sir Isaac Newton's many contributions to science was the discovery of gravity. one of the fundamental forces of the…
How Do We Know There’s a Planet 9?
Are you having trouble keeping track of all the planets in the Solar System? Good news! Astronomers have found evidence…
Icy Hot: Europa’s Frozen Crust Could Be Warmer Than We Thought
All the worlds may be ours except Europa but that only makes the ice-covered moon of Jupiter all the more intriguing. Beneath…