Galaxies & Cosmology
Stars & Nebulae
Galaxy AM 1054-325 has been distorted into an S-shape from a normal pancake-like spiral shape by the gravitational pull of a neighboring galaxy, seen in this Hubble Space Telescope image. A consequence of this is that newborn clusters of stars form along a...
An illustration of a magnetic field generated by a supermassive black hole in the early universe, showing turbulent plasma outflows that help turn nearby gas clouds into stars. New findings suggest this process might be responsible for accelerated star formation in...
In this view captured by NASA's Cassini spacecraft on its closest-ever flyby of Saturn's moon Mimas, large Herschel Crater dominates Mimas, making the moon look like the Death Star in the movie "Star Wars." Herschel Crater is 130 kilometers, or 80 miles, wide and...
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This illustration shows what the Centaur Chariklo and its rings could look like, based on our current understanding. Credit: NASA, ESA, CSA, Leah Hustak (STScI) In school, we learn all about the eight planets, Pluto, the asteroid belt - and its larger members like OG...
Mohutsiwa Gabadirwe (center of photo) and Peter Jenniskens (left, kneeling) at the site of the second find of a piece of asteroid 2018 LA recovered in the Central Kalahari Game Reserve in central Botswana. Credit: SETI Institute Our Solar System contains a whole lot...
One of the unexpected realities of JWST is the discovery that we have really been asking the wrong questions in many astronomy areas. For instance: we generally asked how supermassive black holes and galaxies formed, with a basic assumption that these things happened...
An artist’s impression of a Type Ia supernova – the explosion of a white dwarf locked in a binary system with a companion star. Credit: ESA/ATG medialab/C. Carreau As a scientist, I get a lot of weird hate mail. There are the folks telling me relativity is wrong....
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A color-composite image of PEARLSDG made with JWST NIRCAM data. Individual stars are visible as small points of light in the image. Its somewhat dull color and lack of many bright stars is consistent with its old age and lack of ongoing star formation. Credit: Image...
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