xiomara-whidby documents

Sirius B. Sirius B is a white dwarf. There was no such thing as Sirius B until 1862 when Alvan Clark discovered it while testing one of the best optical
Documents Sirius B. Sirius B is a white dwarf. There was no such thing as Sirius B until 1862 when Alvan Clark discovered it while testing one of the best optical