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Items tagged with: Galaxies
Ooh, look I read another paper. Hurrah !
This one is about an incredibly, superlatively faint galaxy discovered back in 2018 that I'd forgotten about completely. Here the authors use Hubble observations to rule out an old stellar population - it only has young stars. This most likely means it's a tidal dwarf, having just recently formed due to tidal interactions but not likely to last long.
#Science
#Astronomy
#Space
#Galaxies
https://llittlephysicists.blogspot.com/2024/01/the-faintest-galaxy-is-getting-even.html
The faintest galaxy is getting even fainter
A blog about astronomy, data visualisation, and occasionally philosophy of science.llittlephysicists.blogspot.com
The light from these galaxies has taken more than 13.4 billion years to reach us implying they existed 400 million years after the big bang, when the #universe was only 2% of its current age.
These galaxies are extremely faint because of their great distance from us. Astronomers can now explore their properties, thanks to JWST's exquisite sensitivity.
#astronomy #cosmology
https://phys.org/news/2022-12-nasa-webb-milestone-quest-distant.html
NASA's Webb reaches new milestone in quest for distant galaxies
An international team of astronomers has used data from NASA's James Webb Space Telescope to report the discovery of the earliest galaxies confirmed to date. The light from these galaxies has taken more than 13.Science X staff (Phys.org)