Up to 60% of near-Earth objects could be dark comets, mysterious asteroids that orbit the sun in our solar system that likely contain or previously contained ice and could have been one route for delivering water to Earth, ...
Planetary Sciences
Jul 10, 2024
1
497
A team of physicists with NASA's Jet Propulsion Laboratory at the California Institute of Technology has calculated more precisely how much faster time passes on the moon than on the Earth. The paper describing the math they ...
Auroras have inspired myths and portents for millennia—but only now, with modern technology dependent on electricity, are we appreciating their true power. The same forces which cause auroras also cause currents that can ...
Planetary Sciences
Jul 10, 2024
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768
Age data for certain classes of meteorite have made it possible to gain new findings on the origin of small water-rich astronomical bodies in the early solar system. These so-called planetesimals continually supplied building ...
Planetary Sciences
Jul 9, 2024
1
17
An international team of geophysicists has found evidence that the Earth experienced plate tectonics earlier than previously thought. In their study, published in the Proceedings of the National Academy of Sciences, the group ...
Rare earth metals are not as rare as their name suggests. However, they are indispensable for the modern economy. After all, these 17 metals are essential raw materials for digitalization and the energy transition.
Analytical Chemistry
Jul 9, 2024
0
160
Lei Guo and others from Tianjin University in China discovered that the environmental sediments on the surface of aero engine turbine blades have a significant concentration of Fe, surpassing even the levels of Mg, Al, and ...
Analytical Chemistry
Jul 8, 2024
0
0
Humans finally achieved controlled flight on another planet for the first time just a few years ago. Ingenuity, the helicopter NASA sent to Mars, performed that difficult task admirably. It is now taking a well-deserved rest ...
Space Exploration
Jul 3, 2024
0
54
The Deep Space Network's Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth.
Planetary Sciences
Jul 3, 2024
0
40
NASA's near-Earth-object-hunting mission NEOWISE is nearing its conclusion. But its work will carry on with NASA's next-generation infrared mission: NEO Surveyor.
Astronomy
Jul 2, 2024
0
19
