Gas giants orbiting our sun show a clear pattern; the more massive the planet, the lower the percentage of "heavy" elements (anything other than hydrogen and helium) in the planet's atmosphere. But out in the galaxy, the ...
Planetary Sciences
Mar 27, 2023
1
366
Electric motors and electronic devices generate electromagnetic fields that sometimes have to be shielded in order not to affect neighboring electronic components or the transmission of signals. High-frequency electromagnetic ...
Nanomaterials
Jul 2, 2020
5
2749
In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. Historical records show that the supernova looked like a temporary "star" in the constellation Cassiopeia shining ...
Astronomy
Mar 27, 2024
0
86
Archaeometallurgists have been debating the exact origin of tin used in the Bronze Age for 150 years. Bronze is an alloy of copper and tin, and in the Bronze Age it was used to make a range of goods including swords, helmets, ...
Archaeology
Sep 25, 2023
0
322
NASA scientists have identified an unexpected high-altitude methane ice cloud on Saturn's moon Titan that is similar to exotic clouds found far above Earth's poles.
Space Exploration
Oct 24, 2014
3
0
Scientists at The University of New Mexico have found that the Earth and Moon have distinct oxygen compositions and are not identical in oxygen as previously thought according to a new study released today in Nature Geoscience.
Space Exploration
Mar 10, 2020
23
662
Asteroid dust collected by a Japanese space probe contains organic material that shows some of the building blocks of life on Earth may have been formed in space, scientists said Friday.
Planetary Sciences
Jun 12, 2022
0
336
Many scientists believe the Earth was dry when it first formed, and that the building blocks for life on our planet—carbon, nitrogen and water—appeared only later as a result of collisions with other objects in our solar ...
Astronomy
Feb 9, 2017
6
1175
Today's Earth is a dynamic planet with an outer layer composed of giant plates that grind together, sliding past or dipping beneath one another, giving rise to earthquakes and volcanoes. Others separate at undersea mountain ...
Earth Sciences
Feb 27, 2017
5
905
Despite over a century of intense study, we still know very little about the people buried at Stonehenge or how they came to be there. Now, a new University of Oxford research collaboration, published in Scientific Reports ...
Archaeology
Aug 2, 2018
0
275
