Cosmic rays are really sub-atomic particles, being mainly protons (hydrogen nuclei) and occasionally helium or heavier atomic nuclei and very occasionally electrons. Cosmic ray particles are very energetic as a result of ...
Astronomy
Jun 13, 2011
11
5525
A rocky planet discovered in the "habitable" zone of the star nearest our Sun may be covered with oceans, researchers at France's CNRS research institute said Thursday.
Astronomy
Oct 6, 2016
18
5441
While last year's discovery of gravitational waves from colliding neutron stars was earth-shaking, it won't add extra dimensions to our understanding of the universe—not literal ones, at least.
Astronomy
Sep 14, 2018
116
7948
Scientists now have evidence that Jupiter's core has been dissolving, and the implications stretch far outside of our solar system.
Astronomy
Mar 22, 2012
11
5326
Astronomers have discovered unusual signals coming from the direction of the Milky Way's center. The radio waves fit no currently understood pattern of variable radio source and could suggest a new class of stellar object.
Astronomy
Oct 12, 2021
16
40219
This study, which has combined images from the Hubble Space Telescope with spectroscopic observations from the GTC, has confirmed the existence of a new example of a gravitational lens, a phenomenon predicted by Albert Einstein's ...
Astronomy
Mar 18, 2019
25
6639
For the first time, astronomers have directly imaged the formation and expansion of a fast-moving jet of material ejected when the powerful gravity of a supermassive black hole ripped apart a star that wandered too close ...
Astronomy
Jun 14, 2018
73
5116
Could the famed "Big Bang" theory need a revision? A group of theoretical physicists suppose the birth of the universe could have happened after a four-dimensional star collapsed into a black hole and ejected debris.
Astronomy
Sep 19, 2013
229
5105
Life on other planets would likely be brief and become extinct very quickly, say astrobiologists from The Australian National University (ANU).
Astronomy
Jan 21, 2016
159
15613
Our brains struggle to comprehend how big the universe is because everything here on Earth, and even the Earth itself, is very small when compared to the immense scale of the universe.
Astronomy
Oct 5, 2015
9
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