Image credit: The Cosmic Companion/Created in Universe Sandbox. I Take a Dim View of Your Actions, Betelgeuse… Even at the distance Pluto keeps from the Sun, Betelgeuse would loom large in the sky of any world orbiting the red giant star.
If Betelgeuse were placed at the center of our solar system, the edge of the star would engulf the orbits of every planet of the inner solar system out to Jupiter. This is an aging giant of a star, experiencing wild swings in size and temperature as it runs through a series of different thermonuclear reactions and gravitational collapse. Now, the Hubble Space Telescope (HST) has been used to explain the mystery.Įasily found in the constellation Orion, Betelgeuse is one of the best-known of all stars in the night sky. Many astronomers - both professional and amateur - questioned if the change of light revealed the star was on the verge of exploding as a supernova. First noted in October 2019, by February 2020, the star lost two-thirds of its brightness as seen from Earth. The dimming of Betelgeuse seen at the end of 2019 and the start of 2020 explained - the red giant star “sneezed.”īetelgeuse dimmed in the final few months of 2019, perplexing both professional and amateur astronomers.
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