Tag Archives: Density

Supernovae – 60 Second Adventures in Astronomy (2/14)

60-Second Adventures in Astronomy. Number 2: Supernovae. One of the most mind-blowing events in the universe is the explosion of a star. In 1054 CE Chinese astronomers spotted one so bright they could see it in daylight. Today you can still see a cloud of gas and dust from the same explosion and because a… Read More »

Black Holes – 60 Second Adventures in Astronomy (12/14)

60 Second Adventures in Astronomy. Number twelve, Black Holes. DIY tip 34 – How do you make yourself a black hole? A black hole occurs when something has so much mass in such a small space, that nothing can escape its gravitational pull – not even light. In 1931 Subrahmanyan Chandrasekhar calculated that, if a… Read More »

The Most Dangerous Stuff in the Universe – Strange Stars Explained

Neutron stars are the densest things that are not black holes. Neutron stars are the densest things that are not black holes. In their cores, we might find the most dangerous substance in existence: In their cores, we might find the most dangerous substance in existence: strange matter᠎. A bizarre thing so extreme that it… Read More »