2. The following picture is from NASA 3, which shows the Goldilocks Zone around Earth and an extrasolar planet known as Kepler 22b. As you can see from the image, both Mars and Earth are in the zone, but life as we know it only exists on Earth. Venus misses out on being in the...
“The problems arising when interpreting the data from WASP-39b are well known from many other exoplanets – regardless whether they are observed with Kepler,TESS, James Webb, or the future PLATO spacecraft,” explains MPS scientist Dr. Nadiia Kostogryz, first author of the new study. “As ...
From Newton's version of Kepler's Third Law of Planetary Motion, the orbital speed of an object in circular orbit and a little algebra, you can derive an equation to calculate the amount of mass (Mr) that lies within any circular orbit with a radius (r): Orbital speed of a circular ...