Earth's magnetic field protects us from the dangerous radiation of space, but it is not as permanent as we might believe. Scientists at the European Geosciences Union General Assembly present new information about an 'excursion' ...
Planetary Sciences
19 hours ago
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238
When a star like our sun reaches the end of its life, it can ingest the surrounding planets and asteroids that were born with it. Now, using the European Southern Observatory's Very Large Telescope (ESO's VLT) in Chile, researchers ...
Astronomy
Feb 26, 2024
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156
The expansion of the universe at some stage of evolution is well described by the Friedmann model. It was derived from general relativity a hundred years ago, but it is still considered one of the most important and relevant ...
General Physics
Jan 22, 2024
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219
Researchers at the Center of Excellence in Space Sciences India at IISER Kolkata have discovered a new relationship between the sun's magnetic field and its sunspot cycle, that can help predict when the peak in solar activity ...
Astronomy
Nov 28, 2023
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282
Ripples in a pond can be captivating on a nice sunny day as can ripples in the very fabric of space, although the latter are a little harder to observe. Using the highly tuned Gaia probe, a team of astronomers proposes in ...
Astronomy
Nov 28, 2023
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75
The Earth's magnetic field plays a big role in protecting people from hazardous radiation and geomagnetic activity that could affect satellite communication and the operation of power grids. And it moves.
Planetary Sciences
Nov 28, 2023
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47
Using the Five-hundred Aperture Spherical Telescope (FAST), astronomers from China and Australia have discovered five new pulsars, two of which turned out to have ultra-short spin periods. The finding was reported in a research ...
Ah, dark matter particles, what could you be? The answer still eludes us, and astronomers keep trying new ideas to find them. A new paper in Physical Review Letters suggests that if dark matter is made of axions, we might ...
Astronomy
Oct 16, 2023
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29
Magnets, those everyday objects we stick to our fridges, all share a unique characteristic: they always have both a north and a south pole. Even if you tried breaking a magnet in half, the poles would not separate—you would ...
General Physics
Sep 15, 2023
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742
A new study maps the infall of protons and electrons from the solar wind to geographical location on the surface of Mercury, giving scientists new insight into how interactions with the sun alters the surface and produces ...
Planetary Sciences
Sep 13, 2023
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