Our sun is really huge some 1 391 400 km in diameter, but 4 billion years from now, it will be even larger, 150 times its current size; though compared to the biggest stars in the universe even this will be small.
Costa Rica’s Turrialba volcano offered a fantastic show both fascinating and frightening. It’s last eruption has been captured with an infrared camera by the Volcanological and Seismological Observatory of Costa Rica (OVSICORI).
The Crab Pulsar was born with supernova explosion which was widely observed on Earth in the year 1054. The Crab Nebula is located 6,500-light-years away from us in the direction of Constellation Taurus.