EarthSky Tonight—Sept. 30, What bright star flashes

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Every year in late September and early October, we get questions from people who see a bright star twinkling with red and green flashes, low in the northeastern sky. Capella is a golden star when seen higher up in the sky. If you could travel to it in space, you’d find that it’s actually two golden stars, both with roughly the same surface temperature as our local star, the sun . . . but both larger and brighter than the ... Full Story