NASA's New horizons spacecraft is spinning away from Pluto right to the edge of the solar system.
A number of probabilities for the formation of Planet Nine have been thrown up, but they sound far-fetched and highly unlikely.
It took 30 million years for the light of a supernova to reach the earth. But scientists are now able to study a supernova that equalled the detonation of 100 million suns.
09 Aug '24 16:35PM
