Tag: Universe
Maximum of the Ursid meteorite swarm
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Miss Universe: Miss India winner 2022, what ranking for France?
MISS UNIVERSE 2022. The representative of India, Harnaaz Sandhu, was crowned Miss Universe on December 12, 2021. Summary [Mis à jour le 13 décembre 2021 à 10h02] Harnaaz Sandhu, representative…
Ephemeris | Winter solstice
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Maximum of the meteorite swarm of Coma Berenicides
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Supernova: what is it?
This artist’s impression shows how the material ejected by the SN 1987a supernova is distributed, based on information provided by the Sinfoni spectrograph. © L. Calçada, ESO A supernova is…
Nebula: what is it?
A nebula is a interstellar cloud of gas and dust. Bright nebulae radiate the light gas that compose them (emission nebula) or reflect the light of stars (reflection nebula), or…
Maximum of the sigma-Hydrides meteorite swarm
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Maximum of the Monocerotid meteorite swarm
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The enigma of stars older than the Universe seems solved
The more massive the stars evolve, and vice versa. The theory which explains this fact also makes it possible to date them, but it led to give an age clearly…
The protective bubble of the Solar System, the heliosphere, would be shaped by the Universe
The heliosphere is that kind of bubble that protects our entire Solar System from cosmic radiation. And for a long time, astronomers have sought to characterize it. Today, they show…