The white dwarf star Sirius B has a luminosity of 0.025 L⊙. If you were 1 AU from Sirius B, would that star appear brighter or fainter than the full Moon appears from Earth?
The white dwarf star Sirius B has a luminosity of 0.025 L⊙. If you were 1 AU from Sirius B, would that star appear brighter or fainter than the full Moon appears from Earth?
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The white dwarf star Sirius B has a luminosity of 0.025 L⊙. If you were 1 AU from Sirius B, would that star appear brighter or fainter than the full Moon appears from Earth?
If Sirius B were substituted for the Sun, what would Earth’s average temperature become? (Earth’s current average temperature is T = 287K)
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