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Supernova
🌌 Deep Space•legendary
The explosive death of a massive star, one of the most energetic events in the universe. A supernova can briefly outshine an entire galaxy and release more energy than our Sun will emit in its entire lifetime.
Technical Specifications
Energy Released10⁴⁶ joules
Peak Brightness-19 absolute magnitude
Frequency1-2 per century per galaxy
Expansion SpeedUp to 30,000 km/s
VisibilityBillions of light-years
Last in Milky Way~1604 AD (Kepler's Star)
Fascinating Facts
- 01
A supernova can outshine an entire galaxy
- 02
They create and spread heavy elements throughout the universe
- 03
The last supernova visible from Earth was in 1987
- 04
They leave behind neutron stars or black holes
- 05
Supernovae occur about once per century in the Milky Way
- 06
They can be seen across billions of light-years
- 07
The Crab Nebula was created by a supernova in 1054 AD
- 08
Type Ia supernovae are used to measure cosmic distances