⏰ when
When was the first white dwarf discovered?
Quick Answer
In 1862, Alvan Clark discovered Sirius B, the first known white dwarf.
The Full Story
Sirius B was discovered in 1862 by Alvan Clark while testing a new telescope. It is a faint companion to Sirius, the brightest star in the night sky. Later studies showed it was a white dwarf, the dense remnant of a star that has exhausted its nuclear fuel. This was an important early clue that stars can end their lives in compact, exotic states.
Key Facts
1.Discovered in 1862
2.Object: Sirius B
3.First known white dwarf
YouTube Angle
Suggested video title for this topic:
"The first dead star astronomers identified."
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