Leo, a constellation and the fifth sign of the zodiac. The name means The Lion. Leo is bordered on the north by Leo Minor and Ursa Major, on the east by Cancer, on the south by Crater and Sextans, and on the west by Coma Berenices and Virgo. The constellation contains about 100 stars that can be seen with the unaided eye. Brightest is Alpha Leonis, also called Regulus and Cor Leonis.
When a huge star collapses, it releases massive amounts of radiation in concentrated streams. If one of those streams hit Earth, it wouldn't be pretty. But where should we put "gamma-ray bursts" on our list of anxieties?
It's your home, and a colossally sized one at that. How much do you know about your galactic digs and their residence amid the yawning universe?