Sunlight traveling through the atmosphere becomes polarized in different ways as it is scattered by water vapor, ice, aerosols created by living organisms, dust, and other particulates.
Space Exploration
Jun 10, 2021
0
3
A vast global ocean may have covered early Earth during the early Archean eon, 4 to 3.2 billion years ago, a side effect of having a hotter mantle than today, according to new research.
Earth Sciences
Mar 30, 2021
0
7140
Lightning strikes were just as important as meteorites in creating the perfect conditions for life to emerge on Earth, geologists say.
Earth Sciences
Mar 16, 2021
19
684
Writing in PNAS, scientists from Cologne university present important new constraints showing that plate tectonics started relatively slow, although the early Earth's interior was much hotter than today.
Earth Sciences
Dec 22, 2020
1
33
Astronomers have taken a step towards understanding how the Moon might have formed out of a giant collision between the early Earth and another massive object 4.5 billion years ago.
Space Exploration
Dec 3, 2020
10
567
Our planet is unique in the solar system. It's the only one with active plate tectonics, ocean basins, continents and, as far as we know, life. But Earth in its current form is 4.5 billion years in the making; it's starkly ...
Earth Sciences
Dec 3, 2020
1
7
On the night of January 16, 2018, a fireball meteor streaked across the sky over the Midwest and Ontario before landing on a frozen lake in Michigan. Scientists used weather radar to find where the pieces landed and meteorite ...
Space Exploration
Oct 27, 2020
0
1173
It is generally accepted that the inner region of the early solar system was subject to an intense period of meteoric bombardment referred to as the late heavy bombardment. However, researchers have found evidence that suggests ...
Space Exploration
Sep 16, 2020
26
304
Chemical reactions driven by the geological conditions on the early Earth might have led to the prebiotic evolution of self-replicating molecules. Scientists at Ludwig-Maximilians Universitaet (LMU) in Munich now report on ...
Biochemistry
Aug 7, 2020
1
397
The giant impacts that dominate late stages of planet formation have a wide range of consequences for young planets and their atmospheres, according to new research.
Astronomy
Jul 15, 2020
0
1216
