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The Sun is the brightest star as viewed from Earth, at −26.78 mag. The second brightest is Sirius at −1.46 mag. For comparison, the brightest non-stellar objects in the Solar System have maximum brightnesses of: the Moon −12.7 mag [ 1 ] Venus −4.92 mag. Jupiter −2.94 mag. Mars −2.94 mag.
The object's actual luminosity is determined using the inverse-square law and the proportions of the object's apparent distance and luminosity distance. Another way to express the luminosity distance is through the flux-luminosity relationship, where F is flux (W·m −2), and L is luminosity (W). From this the luminosity distance (in meters ...
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Normal maximum brightness is 2.29; magnitude 0.7 once observed 2.39 Epsilon Boötis: Binary star system 2.41 2.14 Mintaka: Triple star system 2.41 Kappa Scorpii: Binary star system Maximum brightness 2.42 2.31 Beta Pegasi: Star 2.42 Eta Ophiuchi: Binary star system 2.440 Phecda: Binary star system 2.45 2.38 Eta Canis Majoris: Star 2.46 Alpha ...
August 8, 2024 at 8:17 PM. SACRAMENTO, Calif. (AP) — A moderate California Democratic state lawmaker announced Thursday that she is switching to the Republican Party while criticizing her former ...
After an average follow-up of almost 14 years, participants who compensated with the most extra sleep on the weekend — from a little over an hour to about 16 hours — were 19% less likely to ...
Pascal Le Segretain/Getty. Ben Affleck and Jennifer Lopez at the Venice Film Festival in Venice, Italy, on Sept. 10, 2021
763 – Following the Battle of Bakhamra between Alids and Abbasids near Kufa, the Alid rebellion ends with the death of Ibrahim, brother of Isa ibn Musa. [1]1525 – The Swiss Anabaptist Movement is founded when Conrad Grebel, Felix Manz, George Blaurock, and about a dozen others baptize each other in the home of Manz's mother in Zürich, breaking a thousand-year tradition of church-state union.