Leaping Across the Solar System: How High Could You Jump on Each Planet? | The Inquisitive Journal

Have you ever wondered how high you could jump if you were on a different planet? The answer to this question is closely tied to the strength of gravity on each planet. Gravity is the force that pulls everything towards the center of a planet or other object. The strength of gravity depends on the mass and size of the object. The larger and more massive an object is, the stronger its gravity will be. Let’s take a look at the planets in our solar system and see how high a person could jump on each one. Mercury: Mercury is … Continue reading Leaping Across the Solar System: How High Could You Jump on Each Planet? | The Inquisitive Journal

7 Earth-Sized Planets Found!

Seven Earth-size planets have been found huddled around an ultra-cool, red dwarf star.  They could be little more than chunks of rock blasted by radiation, or cloud-covered worlds as boiling hot as Venus.  On the other hand, they could harbor exotic life, thriving under twilight skies like that you see on the movie “Avatar”. Scientists are pondering the possibilities after this week’s announcement: the discovery of seven worlds orbiting a small, cool star some 40 light-years (or 240 TRILLION miles) away, all of them in the ballpark of our home planet in terms of their heft (mass) and size (diameter). … Continue reading 7 Earth-Sized Planets Found!