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Astronomy

Hubble’s Window into the Cosmic Past

  Hubble’s Window into the Cosmic Past This image from the NASA/ESA Hubble Space Telescope shows the galaxy cluster PLCK G004.5-19.5. It was discovered by the ESA Planck satellite through the Sunyaev-Zel’dovich effect — the distortion of the cosmic microwave …

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Tiny Crystal Shapes Get Close Look From Mars Rover

This exposure of finely laminated bedrock on Mars includes tiny crystal-shaped bumps, plus mineral veins with both bright and dark material. This rock target, called “Jura,” was imaged by the MAHLI camera on NASA’s Curiosity Mars rover on Jan. 4, …

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Hubble’s Majestic Spiral in Pegasus

Galaxy NGC 7331   Hubble’s Majestic Spiral in Pegasus This NASA/ESA Hubble Space Telescope image shows a spiral galaxy known as NGC 7331. First spotted by the prolific galaxy hunter William Herschel in 1784, NGC 7331 is located about 45 …

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The Penguin and the Egg

  The Penguin and the Egg This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. Data from NASA’s Spitzer and Hubble space telescopes have been combined to show …

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The universe out of the supercomputer

Thin slice through the cosmic large-scale structure in the largest simulation of the IllustrisTNG project. Shown is a projection of the baryonic density field, where image brightness indicates the projected mass density and color hue visualizes the mean projected gas …

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Vista From Mars Rover Looks Back Over Journey So Far

Wide-Angle Panorama from Ridge in Mars’ Gale Crater Climbing “Vera Rubin Ridge” provided NASA’s Curiosity Mars rover this vista of the interior and rim of Gale Crater, including much of the rover’s route since its 2012 landing and features up …

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Surface explosion sets off final journey of dying star

  Surface explosion sets off final journey of dying star Scientists discover supernova’s ignition mechanism A group of University of Tokyo researchers and their collaborators discovered a peculiar phenomenon soon after a stellar explosion known as a Type Ia supernova, …

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Hubble’s Standout Stars Bound Together by Gravity

  Hubble’s Standout Stars Bound Together by Gravity This image from the NASA/ESA Hubble Space Telescope reveals a glistening and ancient globular cluster named NGC 3201 — a gathering of hundreds of thousands of stars bound together by gravity. NGC …

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Taking the Pulse of Planets and Stars

Jim Fuller, assistant professor of theoretical astrophysics at Caltech. Credit: Caltech   Taking the Pulse of Planets and Stars New faculty member Jim Fuller talks about the inner workings of cosmic spheres New faculty member Jim Fuller, assistant professor of …

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