Cosmic Distance Ladder: Spectroscopic Parallax

PhysicistMichael
PhysicistMichael
11.8 هزار بار بازدید - 12 سال پیش - Continuing with the cosmic distance
Continuing with the cosmic distance ladder, using the method of spectroscopic parallax or main sequence fitting to measure the distance to clusters of stars.  Introduces the Hertzsprung Russell diagram (H-R diagram) and how we can relate the colour of a star to its luminosity and use that to determine its distance.

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12 سال پیش در تاریخ 1391/05/09 منتشر شده است.
11,846 بـار بازدید شده
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