Astronomers see light from earliest stars
Posted: Thu, Nov 3, 2005, 7:50 AM ET (1250 GMT)
Astronomers announced Wednesday that they have detected light that may eminate from the universe's earliest stars. NASA's Spitzer Space Telescope detected the infrared light from "giant blobs" during extended observations in the direction of the constellation Draco. Astronomers believe the light comes from "Population 3" stars, a hypothesized class of stars not previously detected that were the first to form after the Big Bang. The stars were extremely large and short-lived, shining brightly at ultraviolet wavelengths that have redshifted to infrared bands because of the expansion of the universe. Alternatively, the light may come from hot gas falling into the universe's first black holes.
Astronomers announced Wednesday that they have detected light that may eminate from the universe's earliest stars. NASA's Spitzer Space Telescope detected the infrared light from "giant blobs" during extended observations in the direction of the constellation Draco. Astronomers believe the light comes from "Population 3" stars, a hypothesized class of stars not previously detected that were the first to form after the Big Bang. The stars were extremely large and short-lived, shining brightly at ultraviolet wavelengths that have redshifted to infrared bands because of the expansion of the universe. Alternatively, the light may come from hot gas falling into the universe's first black holes.
Related Links:
| <<previous article | next article>> |
|
news in brief
|
|
|
|
news links
|
|
Monday, October 26
Musk accuses Ukraine of violating Starlink’s terms of service following dispute over coverage
CNN — 4:57 am ET (0857 GMT) Musk Fears Russia Could Target Starlink Satellites With Anti-Satellite Weapons
United24 Media — 4:56 am ET (0856 GMT) Musk’s Starlink Explanation Challenged by Texas GOP Lawmaker
Bloomberg News — 4:55 am ET (0855 GMT) Ukraine disputes Elon Musk’s claim that its military violated Starlink terms during drone operations
CNBC — 4:54 am ET (0854 GMT) Ukraine says its military did not violate Starlink terms, disputing Elon Musk claim
AP — 4:54 am ET (0854 GMT) |
