In a first, astronomers may just have detected gravitational waves from a black hole merging with a neutron star. Source: https://www.sciencenews.org/article/ligo-virgo-gravitational-waves-first-black-hole-swallowing-neutron-star4…
Tag: Atom&Cosmos/Astronomy
Astronomers just quintupled the number of known repeating fast radio bursts
A Canadian telescope spotted eight more repeating fast radio bursts. What causes these cryptic flashes of radio waves from deep space remains unclear. Source: https://www.sciencenews.org/article/astronomers-just-quintupled-number-known-repeating-fast-radio-bursts4…
A proposed space telescope would use Earth’s atmosphere as a lens
One astronomer has a bold solution to the high cost of building big telescopes. Source: https://www.sciencenews.org/article/proposed-space-telescope-would-use-earth-atmosphere-lens4…
Exploding stars scattered traces of iron over Antarctic snow
Researchers melted half a ton of snow to find just 10 atoms of a radioactive variety of iron. Source: https://www.sciencenews.org/article/exploding-stars-scattered-traces-iron-over-antarctic-snow4…
Giant, active galaxies from the early universe may have finally been found
Overlooked galaxies from when the universe was younger than 2 billion years old could be the ancestors of other ancient and modern monster galaxies. Source: https://www.sciencenews.org/article/giant-active-galaxies-early-universe-may-have-finally-been-found4…
Stars may keep spinning fast, long into old age
NASA’s TESS telescope has spotted an old star that spins too fast for theory to explain, suggesting that stars may have a magnetic midlife crisis. Source: https://www.sciencenews.org/article/stars-may-keep-spinning-fast-long-old-age4…
A 3-D map of stars reveals the Milky Way’s warped shape
Our galaxy flaunts its curves in a chart of thousands of stars called Cepheids. Source: https://www.sciencenews.org/article/3-d-map-stars-reveals-milky-way-warped-shape4…
In a first, physicists re-created the sun’s spiraling solar wind in a lab
Some of the sun’s fundamental physics have been re-created with plasma inside a vacuum chamber Source: https://www.sciencenews.org/article/physicists-solar-wind-inside-lab4…
NASA’s Chandra X-ray telescope celebrates 20 years in space
The U.S. space agency has released new images for the Chandra X-ray Observatory’s 20th birthday. Source: https://www.sciencenews.org/article/nasa-chandra-x-ray-telescope-celebrates-20-years-space4…
Scientists still can’t agree on the universe’s expansion rate
A mismatch in measurements of how fast the universe is expanding might not be real, a study hints. Source: https://www.sciencenews.org/article/universe-expansion-rate-mystery4…