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  • Eruption of mega-magnetic star lights up nearby galaxy
    on April 24, 2024 at 3:15 pm

    While ESA’s satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays — high-energy photons — coming from the nearby galaxy M82. Only a few hours later, ESA’s XMM-Newton X-ray space telescope searched for an afterglow from the explosion but found none. An international team realized that the burst must have been an extra-galactic flare from a magnetar, a young neutron star with an exceptionally strong magnetic field.

  • Toward unification of turbulence framework — weak-to-strong transition discovered in turbulence
    on April 23, 2024 at 5:51 pm

    Astrophysicists have made a significant step toward solving the last puzzle in magnetohydrodynamic turbulence theory by observing the weak to strong transition in the space plasma turbulence surrounding Earth with newly developed multi-spacecraft analysis methods.

  • To find life in the universe, look to deadly Venus
    on April 22, 2024 at 4:07 pm

    Despite surface temperatures hot enough to melt lead, lava-spewing volcanoes, and puffy clouds of sulfuric acid, uninhabitable Venus offers vital lessons about the potential for life on other planets, a new paper argues.

  • Giant galactic explosion exposes galaxy pollution in action
    on April 22, 2024 at 4:07 pm

    Astronomers have produced the first high-resolution map of a massive explosion in a nearby galaxy, providing important clues on how the space between galaxies is polluted with chemical elements.

  • Simulated microgravity affects sleep and physiological rhythms
    on April 22, 2024 at 4:06 pm

    Simulated effects of microgravity significantly affect rhythmicity and sleep in humans, a new study finds. Such disturbances could negatively affect the physiology and performance of astronauts in space.

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    • NASA to Provide Coverage as Dragon Departs Station with Science
      by Abbey A. Donaldson on April 26, 2024 at 7:52 pm

      NASA and its international partners are set to receive scientific research samples and hardware as a SpaceX Dragon cargo spacecraft departs the International Space Station on Sunday, April 28 weather permitting. The agency will provide coverage of undocking and departure beginning at 12:45 p.m. EDT on NASA+, NASA Television, the NASA app, YouTube, and the

    • Site-Wide Environmental Assessment for Marshall Space Flight Center, Alabama
      by John R. Tapp on April 26, 2024 at 7:45 pm

      The National Aeronautics and Space Administration (NASA) has prepared a Draft Environmental Assessment (EA) that analyzes the environmental impacts of implementing continuing and future mission support activities at the Marshall Space Flight Center (MSFC) in Huntsville, Alabama. The EA evaluated the potential environmental effects associated with air quality; climate change and greenhouse gases; land use;

    • NASA-Led Study Provides New Global Accounting of Earth’s Rivers
      by Anthony Greicius on April 26, 2024 at 5:13 pm

      The novel approach to estimating river water storage and discharge also identifies regions marked by ‘fingerprints’ of intense water use. A study led by NASA researchers provides new estimates of how much water courses through Earth’s rivers, the rates at which it’s flowing into the ocean, and how much both of those figures have fluctuated

    • Hubble Spots a Magnificent Barred Galaxy
      by Monika Luabeya on April 26, 2024 at 4:57 pm

      The magnificent central bar of NGC 2217 (also known as AM 0619-271) shines bright in the constellation of Canis Major (The Greater Dog), in this image taken by the NASA/ESA Hubble Space Telescope. Roughly 65 million light-years from Earth, this barred spiral galaxy is a similar size to our Milky Way at 100,000 light-years across. Many stars are concentrated in its

    • Identification of Noise Sources During Launch Using Phased Array Microphone Systems
      by Meagan Chappell on April 26, 2024 at 4:02 pm

      Identification of Noise Sources During Launch Using Phased Array Microphone Systems  Every part of a launch vehicle, launch pad, and ground operation equipment is subjected to the high acoustic load generated during lift-off [1]. Therefore, many extreme measures are taken to try to suppress this acoustic environment by damping with a water deluge system and

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    • Hubble Spots a Magnificent Barred Galaxy
      on April 26, 2024 at 5:01 pm

      The magnificent central bar of NGC 2217 (also known as AM 0619-271) shines bright in the constellation of Canis Major (The Greater Dog), in this image taken by the NASA/ESA Hubble Space Telescope. Roughly 65 million light-years from Earth, this barred spiral galaxy is a similar size to our Milky Way at 100,000 light-years across.

    • Navigating the Moon with Art
      on April 25, 2024 at 4:52 pm

      Artists used paintbrushes and airbrushes to recreate the lunar surface on each of the four models comprising the LOLA simulator. Project LOLA or Lunar Orbit and Landing Approach was a simulator built at Langley to study problems related to landing on the lunar surface.

    • Tracking Spring Flooding
      on April 24, 2024 at 5:47 pm

      Rivers swelled in southern Russia and northern Kazakhstan in April 2024 following heavy rain and rapid snowmelt. This image shows Orenburg on April 13, the day river levels peaked. This scene was acquired by the OLI-2 (Operational Land Imager) on Landsat 9.

    • Hubble Spots the Little Dumbbell Nebula
      on April 23, 2024 at 5:14 pm

      In celebration of the 34th anniversary of the launch of NASA’s Hubble Space Telescope, astronomers took a snapshot of the Little Dumbbell Nebula, also known as Messier 76, or M76, located 3,400 light-years away in the northern circumpolar constellation Perseus. The name ‘Little Dumbbell’ comes from its shape that is a two-lobed structure of colorful, mottled, glowing gases resembling a balloon that’s been pinched around a middle waist. Like an inflating balloon, the lobes are expanding into space from a dying star seen as a white dot in the center. Blistering ultraviolet radiation from the super-hot star is causing the gases to glow. The red color is from nitrogen, and blue is from oxygen.

    • Our Beautiful Water World
      on April 22, 2024 at 6:06 pm

      Behold one of the more detailed images of Earth. This Blue Marble Earth montage—created from photographs taken by the Visible/Infrared Imager Radiometer Suite (VIIRS) instrument aboard the Suomi NPP satellite—shows many stunning details of our home planet.

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