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23 de mar. de 2008 · Image Article. In January 2002, a dull star in an obscure constellation suddenly became 600,000 times more luminous than our sun, temporarily making it the brightest star in our Milky Way galaxy. The mysterious star has long since faded back to obscurity, but observations by NASA's Hubble Space Telescope uncovered remarkable new features.
Types of Stars. The universe’s stars range in brightness, size, color, and behavior. Some types change into others very quickly, while others stay relatively unchanged over trillions of years.
23 de mar. de 2008 · In January 2002, a dull star in an obscure constellation suddenly became 600,000 times more luminous than our sun, temporarily making it the brightest star in our Milky Way galaxy. The mysterious star has long since faded back to obscurity, but observations by NASA’s Hubble Space Telescope of a phenomenon called a “light echo ...
Stars which are much less massive than our Sun burn cooler, and live longer – potentially for hundreds of billions of years. The resulting dull red stars are actually the most common type in our galaxy but since they’re quite dim, they’re hard to see.
13 de sept. de 2022 · List of 15 Brightest Star Clusters. Sep 13, 2022. ~7 min. Topics: Clusters, Nebulae, Galaxies. © Vito Technology, Inc. 357. 174. 231. 439. Everyone can do deep-sky observations. To prove the point, we listed here 15 star clusters that are easy to see even with the naked eye.
6 de sept. de 2023 · Back to Article List. From the September 2023 issue. Strange Universe: Space colors. The realm of color is a bizarre one. By Bob Berman | Published: September 6, 2023. The famous double star...
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. Mercury −2.48 mag. Saturn −0.55 mag [2]
