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Astronomers say we may live at the center of a cosmic void 2 billion light-years wide that defies the laws of cosmology

Wed, 05/15/2024 - 13:00

The KBC void — New research suggests the KBC void is a 2 billion light-year-wide expanse of relatively empty space, and our galaxy sits right near the center of it.
Pablo Carlos Budassi / Wikimedia Commons

Science, cosmology, universe, Space, astronomy, supernovae, Stars

A new image from NASA's James Webb Space Telescope blows past Hubble again, revealing an iconic supernova in unprecedented detail

Sat, 09/02/2023 - 05:40

side-by-side images of supernova captured by Webb and Hubble tescope — The supernova remnant as captured by the James Webb Telescope (left) in 2023 and the Hubble Telescope in 2019 (right).
NASA/ESA/CSA/JWST/Hubble

Science, NASA, james-webb-space-telescope, hubble-space-telescope, supernovae, Space, speed-desk

NASA's James Webb Space Telescope reveals a secret star Hubble missed, maybe solving the mystery of a dying star's multi-layered nebula

Tue, 08/22/2023 - 15:36

nebula in space with a pink bubble center and a textured orange ring surrounding it with wavy blue hazy lines and faint concentric arcs expanding out into space — NASA’s James Webb Space Telescope captured the Ring Nebula in unprecedented detail with its mid-infrared instrument.
ESA/Webb, NASA, CSA, M. Barlow (UCL), N. Cox (ACRI-ST), R. Wesson (Cardiff University)

Science, News, NASA, james-webb-space-telescope, hubble-space-telescope, nebula, Stars

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