Hot Jupiters, for instance, were among the first exoplanet types found – gas giants like Jupiter, yes, but orbiting so close to their stars that their temperatures soar into the thousands of degrees (Fahrenheit or Celsius). Gas giants nearer to their stars are often called “hot Jupiters.” More variety is hidden within these broad categories. Gas giants, like Jupiter or Saturn in our solar system, are composed mostly of helium and/or hydrogen. But over the last 25 years, the discovery of more than 4,000 exoplanets, or planets outside our solar system, changed all that. First Evidence of a Planet Identified Beyond Our Galaxyįor most of human history our understanding of how planets form and evolve was based on the eight (or nine) planets in our solar system.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |