Recent Posts

Heat to blame for space pebble demise

This meteoroid broke up by thermal stresses just before entering Earth’s atmosphere, creating a cluster of meteors over Norway on October 30, 2022, recorded by Allsky7 station AMS119 operated by Gaustabanen and Steinar Midtskogen of the Norway Meteor Network. Credit: Mike Hankey, American Meteor Society The dust of comets fills …

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Unveiling the formation of the first galaxies

Metallicity distribution of the first supernovae at 10 million years after the explosion. The supernova ejecta (orange region) has expanded to a radius of 1 kpc and enriched the surrounding gas to metallicities of 10-4 to 10-2 solar metallicity. The background yellow stripes are the cosmic structure of dark matter. …

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