Consequently, even though it is one of the closest stars to Earth, such that its light takes only six years to get here, it ...

Some are almost spheres, like planets, but most are irregular shapes. Some are the size of small stones and pebbles. Some measure hundreds of kilometres across. The largest object is the asteroid ...

allowing its size and orbit to be discerned. Thanks to this method, we have discovered many planets in orbit around certain stars. Trappist-1, a red dwarf star located 40 light-years from Earth ...

Nearly two dozen planets have been detected using the microlensing technique, starting with the 2003 discovery of a gas giant twice the size of Jupiter orbiting a star 18,000 light-years away.

On planets orbiting close to their respective ... The logarithmic scale used initially here allows for an easier comparison of the exoplanets. The linear scale shows how shallow the habitability ...