NASA’s Webb Telescope To Study Asteroid 2024 YR4 As Impact Risk Rises
NASA will use the James Webb Space Telescope to gather crucial data on the size of asteroid 2024 YR4, which has a small ...
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Starlink satellites: Facts, tracking and impact on astronomy
It's complicated. Radio astronomers have been competing for years for a frequency spectrum, they have this national and international relations about who gets what frequencies on the radio ...
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Revived technology used to count individual photons from distant galaxies
Using an instrument on the 4.1-meter Southern Astrophysical Research Telescope, researchers have obtained the first astronomical spectrum using skipper charge-coupled devices (CCDs). The results ...
Will an asteroid collide with Earth? How the Webb telescope will track 2024 YR4
The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and ...
Astronomers unveil spectro-polarimetric properties of X-ray binary GX 9+1
Using the X-ray Polarimetry Explorer (IXPE) and Neutron star Interior Composition Explorer (NICER), Indian astronomers have ...
One large Milky Way galaxy or many galaxies?
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...