star
It would take a while to count the stars in the sky but that’s exactly what scientists, astronomers and countryside campaigners want you to do. The sixth annual star count is taking place over the next month to help map light pollution in the UK. To get involved you need to go outside, count the stars in the Orion constellation and submit your results online before 23rd February. The initiative was started by the Campaign to Protect Rural England and the British Astronomical Society.
They would take just 30 minutes to reach Earth from the Moon.
GRBs are the most powerful explosions in the universe.