File:Hubble Views the Dawn of a Sun-like Star - Flickr - NASA Hubble.jpg
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[edit]DescriptionHubble Views the Dawn of a Sun-like Star - Flickr - NASA Hubble.jpg |
Looking like a glittering cosmic geode, a trio of dazzling stars blaze from the hollowed-out cavity of a reflection nebula in this new image from NASA’s Hubble Space Telescope. The triple-star system is made up of the variable star HP Tau, HP Tau G2, and HP Tau G3. HP Tau is known as a T Tauri star, a type of young variable star that hasn’t begun nuclear fusion yet but is beginning to evolve into a hydrogen-fueled star similar to our Sun. T Tauri stars tend to be younger than 10 million years old ― in comparison, our Sun is around 4.6 billion years old ― and are often found still swaddled in the clouds of dust and gas from which they formed. As with all variable stars, HP Tau’s brightness changes over time. T Tauri stars are known to have both periodic and random fluctuations in brightness. The random variations may be due to the chaotic nature of a developing young star, such as instabilities in the accretion disk of dust and gas around the star, material from that disk falling onto the star and being consumed, and flares on the star’s surface. The periodic changes may be due to giant sunspots rotating in and out of view. Curving around the stars, a cloud of gas and dust shines with their reflected light. Reflection nebulae do not emit visible light of their own, but shine as the light from nearby stars bounces off the gas and dust, like fog illuminated by the glow of a car’s headlights. HP Tau is located approximately 550 light-years away in the constellation Taurus. Hubble studied HP Tau as part of an investigation into protoplanetary disks, the disks of material around stars that coalesce into planets over millions of years. For more information: science.nasa.gov/missions/hubble/hubble-views-the-dawn-of... Image credit: NASA, ESA, G. Duchene (Universite de Grenoble I); Image Processing: Gladys Kober (NASA/Catholic University of America) Find us on X, Instagram, Facebook and YouTube |
Date | Taken on 26 March 2024, 13:38 |
Source | Hubble Views the Dawn of a Sun-like Star |
Author | NASA Hubble Space Telescope |
Flickr tags InfoField | nasa , hubble , esa , hubble space telescope , telescope , space telescope , cosmos , universe , space , cosmic , astronomy , hp tau , stars |
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This image was originally posted to Flickr by NASA Hubble at https://flickr.com/photos/144614754@N02/53723475484. It was reviewed on 31 May 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
31 May 2024
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current | 02:57, 31 May 2024 | ![]() | 4,100 × 3,840 (10.37 MB) | Red panda bot (talk | contribs) | In Flickr Explore: 2024-05-16 |
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Width | 5,994 px |
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Height | 5,945 px |
Bits per component | 16 |
Compression scheme | Uncompressed |
Pixel composition | Black and white (Black is 0) |
Orientation | Normal |
Number of components | 1 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 25.3 (Macintosh) |
File change date and time | 13:38, 26 March 2024 |
Color space | sRGB |
Date and time of digitizing | 18:59, 11 March 2024 |
Date metadata was last modified | 09:38, 26 March 2024 |
Unique ID of original document | xmp.did:33a1cdf2-1678-4d3c-8c93-766ed0d61ba0 |