Earth is now closer to the sun than at any other time of the year. Here's why our planet's axial tilt, not proximity to the ...

Help JoJo put the planets in the correct order staring with the closest to the Sun. Watch the video to help you before starting the quiz. BBC Homepage Skip to content ...

astronomers found a planet orbiting the nearest star to Earth in this system, called Proxima Centauri. Graphic representation of the relative distances between the nearest stars and the Sun.