A powerful explosion at the end of a massive star's life, briefly outshining an entire galaxy. Supernovae scatter heavy elements throughout space, seeding future stellar and planetary formation. Two main types: core-collapse and Type Ia.
The collapsed core of a massive star after a supernova, with 1.4-2 solar masses in a sphere about 20 km across. Incredib...
A region of spacetime where gravity is so strong that nothing, not even light, can escape once past the event horizon. B...
A giant cloud of dust and gas in space, often spanning light-years. Nebulae are star birthplaces, forming when regions c...
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