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Tag Archives: astronomers

Astronomers fret over 'debilitating threat' of thousands of satellites cluttering the sky – TechCrunch

The promise of today's nascent communications satellite constellations is real: connecting everyone on the globe, no exceptions. But the dark side, or rather bright side, of these satellites threatens to pollute the sky with innumerable points of moving light. Astronomers warn that this pose may be a "debilitating threat". The International Astronomical Union, a group of more than 10,000 astronomers …

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Astronomers have taken actual, direct images of a pair of planets born

PDS 70, the star that showed us the first confirmed direct image of a planet born last year, had an extra trick in its protoplanetary disk. In retrospect, astronomers have found a second planet – and photographed both. This gives him the additional honor of being just the second multi-planet system, which was clearly photographed directly. (The first was HR …

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SpaceX Starlink satellites have astronomers that amplify the Cosmic Alarm

This image of a distant galaxy group from the Lowell Observatory in Arizona is distorted by diagonal lines from the tracks of the Starlink satellites shortly after their launch in May. Victoria Girgis / Lowell Observatory The world's largest professional astronomers organization is raising the alarm over Elon Musk's plan to send a swarm of SpaceX satellites into a near-Earth …

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Little appeal for astronomers who care about Starlink

WASHINGTON – Despite complaints from individual astronomers and astronomical organizations, legal experts say they can do little under current federal laws and regulations to stop the use of SpaceX's Starlink satellites. SpaceX launched the first set of 60 Starlink satellites May 23. The next evening, amateur astronomers noticed that they were passing in a tight train bright enough to be …

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Astronomers discover dozens of stars driven out of their homes

We often think of stars as things that do not move much, but in some galaxies that is far from a universal truth. New observations from NASA's powerful Chandra X-Ray Observatory show that some stars are routinely booted from their own host galaxies and sent back into space. <p class = "canvas-atom canvas-text Mb (0) – sm Mt (0,8em) – …

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Astronomers discover "forbidden" planets in the "Neptunian desert"

Exoplanet NGTS-4b – also known as the "Forbidden Planet". Image credits: University of Warwick / Mark Garlick A Neptunian planet has been found in a "Neptunian desert" in an international collaboration of astronomers with telescopes to be operated by the University of Warwick. NGTS-4b is 20%. smaller than Neptune, about three times the size of the Earth, and referred to …

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