The world's collective imagination to answer the age-old question, "Are we alone," has been reignited now that we understand exoplanets – planets in orbit around stars other than Earth's Sun – are not uncommon. There's ...
Astronomy
Oct 24, 2017
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The SETI Institute and French startup Unistellar announced a partnership today to commercialize a new telescope that promises to deliver an unparalleled view of the cosmos to amateur astronomers, and provide the opportunity ...
Space Exploration
Jul 20, 2017
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Imagine this scenario: On a world orbiting a neighboring star, a society more advanced than our own has used large telescopes to survey all the planets within a few hundred light-years. In this sample of a million worlds, ...
Astronomy
Jul 18, 2017
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The appearance of small bodies in the outer solar system could be deceiving. Asteroids and dwarf planets may be camouflaged with an outer layer of material that actually comes from somewhere else.
Space Exploration
Jan 20, 2017
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145
After decades of fruitless scanning the skies for alien messages, scientists say it's time to try a basic rule of etiquette: Say "hello" first.
Astronomy
Dec 26, 2016
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(Phys.org)—A team of researchers with members from NASA Ames Research Center, the SETI Institute and the University of Nevada has identified 24 "hot Earth" star systems where the planets are isolated from other planets. ...
It's now the biggest single-dish radio telescope on Earth. Settled down in the bumpy karst of China's Guizhou province, about 1200 miles southwest of Beijing, this newest instrument for studying the heavens is very similar ...
Astronomy
Oct 7, 2016
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34
The Allen Telescope Array uses 42 radio dishes to search for radio transmissions from ET. How do we know the system is working? To answer that we point the dishes in the direction of a spacecraft we know is transmitting radio ...
Space Exploration
Sep 13, 2016
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21
If there are planets around the double star Alpha Centauri AB, they're a mere 4 light-years distant, a remove so small we might actually be able to send space probes there in the foreseeable future.
Astronomy
Jul 25, 2016
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The SETI Institute Director of Research, proposed a broader, multidisciplinary approach to the SETI search, beyond radio and optical modalities, in an article published today in the journal Astrobiology. "Are we alone in ...
Astronomy
Jul 8, 2016
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