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Astronomy

Meteorite diamonds tell of a lost planet

2018 EPFL / Hillary Sanctuary   Meteorite diamonds tell of a lost planet Using transmission electron microscopy, EPFL scientists have examined a slice from a meteorite that contains large diamonds formed at high pressure. The study shows that the parent …

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What in the World is an ‘Exoplanet?’

The Milky Way, our own galaxy, stretches across the sky above the La Silla telescope in Chile. Hidden inside our own galaxy are trillions of planets, most waiting to be found. Credits: ESO/S. Brunier   What in the World is …

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Dead Star Circled by Light

  Dead Star Circled by Light MUSE data points to isolated neutron star beyond our galaxy New images from ESO’s Very Large Telescope in Chile and other telescopes reveal a rich landscape of stars and glowing clouds of gas in …

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Scientists Surprised by Relentless Cosmic Cold Front

A gigantic and resilient “cold front” hurtling through the Perseus galaxy cluster has been studied using data from NASA’s Chandra X-ray Observatory. Credits: NASA/CXC/GSFC/S. Walker, ESA/XMM, ROSAT   Scientists Surprised by Relentless Cosmic Cold Front This winter has brought many …

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Hubble Uncovers the Farthest Star Ever Seen

Icarus, whose official name is MACS J1149+2223 Lensed Star 1, is the farthest individual star ever seen. It is only visible because it is being magnified by the gravity of a massive galaxy cluster, located about 5 billion light-years from …

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Relics of the Big Bang

Glimpse into the unknown: this sky view shows the Harrison magnetic field strength averaged within a sphere with 300 million light years radius around the Earth. The two regions with particularly stronger fields are the Perseus Pisces galaxy cluster (right) …

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‘Marsquakes’ Could Shake Up Planetary Science

Artist’s rendition showing the inner structure of Mars. The topmost layer is known as the crust, underneath it is the mantle, which rests on an inner core. Credits: NASA/JPL-Caltech   ‘Marsquakes’ Could Shake Up Planetary Science Starting next year, scientists …

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Dark Matter Goes Missing in Oddball Galaxy

This large, fuzzy-looking galaxy is so diffuse that astronomers call it a “see-through” galaxy because they can clearly see distant galaxies behind it. The ghostly object, catalogued as NGC 1052-DF2, doesn’t have a noticeable central region, or even spiral arms …

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Kepler Beyond Planets: Finding Exploding Stars

A new study describes the most extreme known example of a “fast-evolving luminous transient” (FELT) supernova.Credit: NASA/JPL-Caltech   Kepler Beyond Planets: Finding Exploding Stars Astronomer Ed Shaya was in his office looking at data from NASA’s Kepler space telescope in …

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Unique Crystals Could Expand the Search for Dark Matter

A computerized simulation of the large-scale distribution of dark matter in the universe. An overlay graph (in white) shows how a crystal sample intensely scintillates, or glows, when exposed to X-rays during a lab test. This and other properties could …

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NASA Dawn Reveals Recent Changes in Ceres’ Surface

This view from NASA’s Dawn mission shows where ice has been detected in the northern wall of Ceres’ Juling Crater, which is in almost permanent shadow. Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/ASI/INAF   NASA Dawn Reveals Recent Changes in Ceres’ Surface Observations of Ceres …

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A new laboratory for visualising the universe

Dr Maria Kapala admiring an immersive view of the Andromeda Galaxy. Photo Thomas Jarrett and Stephane Courteau   A new laboratory for visualising the universe Story Shabnam Parker The Inter-University Institute for Data Intensive Astronomy (IDIA) has launched a new …

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