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- 1Scientists explain how a 300 TeV photon reached Earth●Scientists explain how a 300 TeV photon could reach Earth
Physicists have outlined an explanation for the detection of a photon carrying 300 tera-electronvolts of energy striking Earth — far beyond what familiar astrophysical processes were thought able to produce. The finding matters because such an energetic gamma ray should have been absorbed long before crossing the galaxy, so researchers propose a production and propagation mechanism that lets it survive the journey to our detectors.
- 2Simulations reveal how the first stars transformed the universe●Powerful simulations reveal how the first stars changed the universe https:// lemmy.today/post/61079740
New powerful computer simulations are showing how the universe's first stars formed and reshaped the cosmos, shedding light on how these early stellar giants ended the cosmic dark ages and seeded the universe with heavier elements. The findings are drawing attention among science enthusiasts online.
- 3New Podcast Episode Explores Scutum Constellation●New episode on the # astronomy and other cosmic background of the # constellation # Scutum is out now! You can check it
The Starry Time Podcast has released a new episode on the constellation Scutum, covering the astronomy and cosmic background of the small sky region whose name means 'the Shield'. The episode is available via the podcast's website and is aimed at space and astronomy enthusiasts following the show's constellation-by-constellation series.