The First Atmospheric Rainbow on an Exoplanet?

By Brian Koberlein - April 06, 2024 11:12 AM UTC | Exoplanets
Astronomers think they've detected the first-ever rainbow-like "glory effect" on an exoplanet. The observations were made with ESA's Cheops mission, which helps to pin down the characteristics of known exoplanets, including the ultra-hot Jupiter WASP-76b. When the star's light passes through a planet's atmosphere, it creates colorful concentric rings that have been seen on Earth and even Venus but never on an exoplanet.
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Hubble Sees a Star About to Ignite

By Brian Koberlein - March 28, 2024 01:51 PM UTC | Stars
This is an image of the FS Tau multi-star system taken by the Hubble Space Telescope. The bright object at the nebula's heart is FS Tau A, a newly ignited T Tauri star, but its companion on the right side, FS Tau B, hasn't ignited yet. It's still in the process of collapsing and heating up, releasing heat from the gravitational collapse. The Harbig-Haro protostar releases jets of fast-moving energized material, visible as the blue material stretching across the nebula.
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