Red giant stars near and far sweep across the sky in this illustration. Measurements from NASA’s Transiting Exoplanet Survey Satellite have identified more than 158,000…
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Betelgeuse illustration. Credit: NASA, ESA, and E. Wheatley (STScI) Betelgeuse (α Orionis) is the bright reddish star located in the shoulder of the Orion constellation…
These images, taken with the SPHERE instrument on ESO’s Very Large Telescope, show the surface of the red supergiant star Betelgeuse during its unprecedented dimming,…
An image from the Heliospheric Imager aboard NASA’s STEREO spacecraft shows the star Betelgeuse, circled. For several weeks in 2020, STEREO was the only observatory…