Self-replicating alien probes could already be here
Mathematicians in Scotland calculate that "self-replicating" alien probes could already have explored our solar system and may still be here but undetectable to our current technologies.
News tagged with interstellar dust
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Carbyne is stronger than any known material
(Phys.org) —A paper on Arxiv presents a detailed look at the properties of carbyne, stronger than graphene and diamond, a true supermaterial. The paper is titled, "Carbyne from first principles: Chain of C atoms, a nanorod ...
Astrophysicists map out the light energy contained within the Milky Way
For the first time, a team of scientists have calculated the distribution of all light energy contained within the Milky Way, which will provide new insight into the make-up of our galaxy and how stars in spiral galaxies ...
Astronomy
Jul 27, 2017
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One of the Milky Way's arms might encircle the entire galaxy
Given that our Solar System sits inside the Milky Way Galaxy, getting a clear picture of what it looks like as a whole can be quite tricky. In fact, it was not until 1852 that astronomer Stephen Alexander first postulated ...
Astronomy
Jan 14, 2015
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Tune your radio: Galaxies sing when forming stars
A team led from the Instituto de Astrofísica de Canarias (IAC) has found the most precise way ever to measure the rate at which stars form in galaxies using their radio emission at 1-10 Gigahertz frequency range.
Astronomy
Feb 21, 2017
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First test of Breakthrough Starshot interstellar probe highlights likely damage due to gas and dust
(Phys.org)—A small team of researchers at Harvard University who are part of the Breakthrough Starshot team has been testing the likely damage to an interstellar spacecraft traveling at approximately one-fifth the speed ...
New theory on the origin of water on Earth
(PhysOrg.com) -- A new theory on the source of terrestrial water has been validated by an international team led by Professor Nora de Leeuw (University College London) using computational research.
Materials Science
Dec 3, 2010
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New discovery sheds light on very early supermassive black holes
Astronomers from the University of Texas and the University of Arizona have discovered a rapidly growing black hole in one of the most extreme galaxies known in the very early universe. The discovery of the galaxy and the ...
Astronomy
Feb 24, 2023
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All we are is dust in the interstellar wind
Cosmic dust is not simply something to sweep under the rug and forget about.
Astronomy
Mar 9, 2016
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Data from the Fermi Large Area Telescope suggests there is a particle accelerator in the galactic center
A team of researchers at the Chinese Academy of Sciences has found evidence of a powerful particle accelerator in the galactic center. In their paper published in the journal Nature Communications, the group describes their ...
