In 1960, legendary physicist Freeman Dyson published his seminal paper "Search for Artificial Stellar Sources of Infrared Radiation," wherein he proposed that there could be extraterrestrial civilizations so advanced that ...
Astronomy
Sep 21, 2023
4
122
(Phys.org) -- Astronomers using the NASA/ESA Hubble Space Telescope have seen dramatic changes in the upper atmosphere of a faraway planet. Just after a violent flare on its parent star bathed it in intense X-ray radiation, ...
Astronomy
Jun 28, 2012
4
0
Astronomers report the detection of two new gas giant exoplanets using NASA's Transiting Exoplanet Survey Satellite (TESS). The newfound alien worlds, designated TOI-3984A b and TOI-5293A b, have very short orbital periods. ...
(PhysOrg.com) -- Only 12 million years old, or less than three-thousandths of the age of the Sun, Beta Pictoris is 75% more massive than our parent star. It is located about 60 light-years away towards the constellation of ...
Astronomy
Jun 10, 2010
2
0
(PhysOrg.com) -- Cardiff University astronomers believe that a young star's long "napping" could trigger the formation of a second generation of smaller stars and planets orbiting around it.
Astronomy
Mar 9, 2011
1
0
(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international team of astronomers.
Astronomy
Dec 21, 2009
1
0
(Phys.org)—Exoplanet hunters have so far found hundreds of alien worlds using the transit method. They observe the visual brightness of the star, which drops when a planet crosses in front of the parent star's disk. However, ...
NASA astronomers working with data from the Kepler space observatory have presented the largest single crop of newly discovered exoplanets to date. It's impressive – 1,284 new planets have been announced, including around ...
Astronomy
May 12, 2016
4
34
Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered two new "hot Jupiter" exoplanets. The newfound alien worlds, designated TOI-4377 b and TOI-4551 b, both orbit ...
(PhysOrg.com) -- For the last 20 years, the best models of planet formation -- or how planets grow from dust in a gas disk -- have contradicted the very existence of Earth. These models assumed locally constant temperatures ...
Astronomy
Jan 12, 2010
2
0
