The Quadrantid meteor shower has a rather peculiar origin story. The Quadrantid meteor shower is active (and visible) between Dec. 28 and Jan. 12, and will peak overnight between Jan. 2 and Jan. 3 ...
Geochemist Clair Patterson sets the age of the Earth at 4.550 billion years, relying on ages of meteorites (including the Canyon Diablo meteorite, shown) that formed around the same time.
The ring, which also incorporates lunar meteorite, is the focus of a newly posted online video that highlights the ring's significance and shows how it was made. "We've made thousands of rings ...
The researchers analyzed soil particles in ancient peats to reconstruct air temperature across the time period covering both the volcanoes and the meteorite impact. They found that the volcanoes ...