A Bright Meteor Streak Appears Over the Great Lacerta Nebula in Nevada
A bright meteor streak was captured during a long exposure of the Great Lacerta Nebula, appearing and disappearing quickly. The meteoroid, likely a small pebble, creates its glow partly by heating and exciting surrounding air in Earth's atmosphere,…
» readFire Rainbow Over West Virginia Explained by Ice Crystal Alignment
A rare atmospheric phenomenon known as a fire rainbow was photographed in 2021 near North Fork Mountain in West Virginia. The image and its explanation were shared to illustrate how ice crystals in high clouds can create colorful arcs in the sky.
» readGlobal warming has accelerated since 2015, new study finds
A new analysis from the Potsdam Institute for Climate Impact Research has found that global warming has sped up since around 2015.
» readAndromeda Galaxy's Star Formation Slows as It Approaches the Milky Way
A new analysis of Hubble Space Telescope data suggests that the Andromeda galaxy, the only major galaxy moving toward the Milky Way, is gradually winding down from a period of intense star formation.
» readDid Celtic women fight in battle? Evidence suggests some may have.
Evidence from burials, ancient texts, and genetic studies suggests that some Celtic women may have taken part in combat, though experts disagree on how common this was.
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