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NASA's Webb Will Use Quasars to Peer into the Young Universe

Quasars are very bright, distant and active supermassive black holes that are millions to billions of times the mass of the Sun.

24 Jun 2021

Nearby Star-Systems Could have Spotted Earth Since Human Civilization Blossomed

Scientists at Cornell University and the American Museum of Natural History have identified 2,034 nearby star-systems - within the small cosmic distance of 326 light-years - that could find Earth merely by watching our pale blue dot cross our sun.

24 Jun 2021

Rice Scientists Enhance Models that Could Detect Magnetosphere Activity on Exoplanets

We can't detect them yet, but radio signals from distant solar systems could provide valuable information about the characteristics of their planets.

23 Jun 2021

Researchers Cast New Light on High-Energy Cosmic Ray Nuclei that Arrive at Earth

New findings published this week in Physical Review Letters, Measurement of the Iron Spectrum in Cosmic Rays from 10--GeV/n to 2.0--TeV/n with the Calorimetric Electron Telescope on the International Space Station, suggest that cosmic ray nuclei of hydrogen, carbon and oxygen travel through the galaxy toward Earth in a similar way, but, surprisingly, that iron arrives at Earth differently.

22 Jun 2021

Research Sheds New light on How Different Cosmic Rays Arrive at Earth

New findings published this week in Physical Review Letters suggest that carbon, oxygen, and hydrogen cosmic rays travel through the galaxy toward Earth in a similar way, but, surprisingly, that iron arrives at Earth differently.

21 Jun 2021

Trans-Neptunian Objects with Different Surface Colors Have Different Orbital Patterns

Abu Dhabi, UAE: Trans-Neptunian Objects, small objects that orbit the sun beyond Neptune, are fossils from the early days of the solar system which can tell us a lot about its formation and evolution.

18 Jun 2021

Galaxy's Missing Dark Matter Secrets Unresolved

When astronomers using NASA's Hubble Space Telescope uncovered an oddball galaxy that looked like it didn't have much dark matter, some thought the finding was hard to believe and looked for a simpler explanation.

18 Jun 2021

ALMA Discovers Titanic Galactic Wind Driven by Supermassive Black Hole

Researchers using the Atacama Large Millimeter/submillimeter Array discovered a titanic galactic wind driven by a supermassive black hole 13.1 billion years ago.

17 Jun 2021

Dust Cloud Causes the 'Great Dimming' of Betelgeuse

When Betelgeuse, a bright orange star in the constellation of Orion, lost more than two-thirds of its brightness in late 2019 and early 2020, astronomers were puzzled.

17 Jun 2021