Supernova

A supernova is the explosion of a star. It is the largest explosion that takes place in space.

A supernova can light up the sky for weeks.

Supernovas are often seen in other galaxies. But supernovas are difficult to see in our own Milky Way galaxy because dust blocks our view. In 1604, Johannes Kepler discovered the last observed supernova in the Milky Way. NASA’s Chandra telescope discovered the

remains of a more recent supernova. It exploded in the Milky Way more than a hundred years ago.

The temperature in one can reach 1,000,000,000 degrees celcius.

The supernova then either becomes a neutron star or a black hole