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Новости за 18.12.2024

Phytochromes: The 'eyes' that enable microalgae to find their way in the depths

Sciencedaily.com 

The phytoplankton that populate oceans are known to play a key role in marine ecosystems and climate regulation. Like terrestrial plants, they store atmospheric CO2, and produce half of our planet's oxygen via photosynthesis. However, the mechanisms that control their distribution remain poorly understood.

Small Crew, Big Impact: NWTA Volunteers Tackle Hagg Lake Trail Rebuild

Northwest Trail Alliance 

Written by Dan Werle, Hagg Lake LST “Small, but mighty!”  NWTA has hundreds of volunteers, but sometimes it’s a small but mighty group that dedicates themselves to technical trail work projects. Iit was most applicable for the NWTA Hagg Lake Work Party on Saturday, December 7th, 2024. This was a make-up work day, in place ... Read More

Chandra and Webb Spy a Cosmic Wreath

Nasa.gov 

This new image of star cluster NGC 602, released on Dec. 17, 2024, combines data from NASA’s Chandra X-ray Observatory with a previously released image from the agency’s James Webb Space Telescope. Webb data provide the ring-like outline of the “wreath,” while X-rays from Chandra (red) show young, massive stars that are illuminating the wreath, sending high-energy light into interstellar […]

Uncovering a 'centaur's' tracks: Scientists examine unique asteroid-comet hybrid

Sciencedaily.com 

Scientists recently led a team that found, for the first time, that Chiron has surface chemistry unlike other centaurs. Its surface it has both carbon dioxide and carbon monoxide ice along with carbon dioxide and methane gases in its coma, the cloud-like envelope of dust and gas surrounding it.

Massive black hole in the early universe spotted taking a 'nap' after overeating

Sciencedaily.com 

Scientists have spotted a massive black hole in the early universe that is 'napping' after stuffing itself with too much food. Like a bear gorging itself on salmon before hibernating for the winter, or a much-needed nap after Christmas dinner, this black hole has overeaten to the point that it is lying dormant in its host galaxy.