Before we dive in, let’s do a quick review to appreciate what it actually means for an object to be in orbit. As Isaac Newton’s famous first law of motion states, an object in motion will stay in ...

UCLA astrophysicists have now measured the shape of the orbits of exoplanets—from the size of Jupiter down to the size of ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...

University of Regina provides funding as a member of The Conversation CA-FR. University of Regina provides funding as a member of The Conversation CA. Planet Nine is a theoretical, undiscovered giant ...