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News
Mean distance to the sun
1+ hour, 2+ min ago (435+ words) Suppose you have a planet in an elliptical orbit around a star. The math is identical for any light object orbiting a heavy object, such as a moon or satellite orbiting a planet, but we’ll call the heavy object a…...
???? James Webb unveils an impressive cosmic lion - News
3+ hour, 48+ min ago (417+ words) Aug 18, 2026, 11:00 AM FR · ES · DE · PT A dying star surrounded by gas takes on the appearance of a lion’s face in new images from the James Webb Space Telescope. Behind this spectacular shape, infrared observations of NGC 2392 mainly reveal small…...
Asteroid impact shaped the appearance of Mars’ moon Deimos
3+ hour, 18+ min ago (1206+ words) An international research team led by the University of Bern has used high-resolution computer simulations and comparisons with the latest images from the ESA space probe Hera to show that a single asteroid impact shaped the Martian moon Deimos and…...
Buried Deimos crater highlighted in stereoscopic image
5+ hour, 21+ min ago (41+ words) European Space Agency An ancient impact depression under the surface regolith layer of Deimos, one of several made clearer thanks to stereoscopics image produced by Sir Brian May, a member of Hera's science team....
3.5-Billion-Year-Old Organic Chert Reveals One of Earth's “Earliest Known Occurrences of Biologically Generated Organic Matter”
2+ hour, 21+ min ago (527+ words) Indian scientists searching for clues to the oldest signs of life on Earth have discovered evidence of organic matter in a 3.5-billion-year-old sample of Paleoarchean volcanic–hydrothermal chert. If confirmed, the team said the ancient chert would represent one of…...
Did life-friendly planets really form just after the Big Bang? Science stirs debate
2+ hour, 38+ min ago (409+ words) Standard models of galactic evolution indicated that the universe needed several billion years after the Big Bang to produce enough heavy elements for rocky planets. Vorobyov and co-author Daniel Whalen at the University of Portsmouth tested the accuracy of the…...
A radar aboard ESA’s Mars Express detected an extraordinarily bright reflection beneath 1.5 kilometres of Martian polar ice, spread across a patch roughly 20 kilometres wide. Years later, a second radar aboard NASA’s Mars Reconnaissance Orbiter finally reached the same layer — and saw only a faint echo, deepening a debate over whether there is liquid water, unusual rock, or something else beneath Mars’s south pole.
2+ hour, 18+ min ago (320+ words) MARSIS found an intensely bright boundary beneath Mars's south polar ice. SHARAD has now reached the same layer and returned a much fainter signal....
Scientists Say Some of Earth???s Oldest Rocks Preserve Evidence of a Planet Almost Unrecognizable From the One Humans Inherited
1+ day, 20+ hour ago (756+ words) Scientists Say Some of Earth’s Oldest Rocks Preserve Evidence of a Planet Almost Unrecognizable From the One Humans Inherited NewsBreak: Local News & Alerts...
Have we found first exomoon? Strange object forcing astronomers to rethink what a moon is
3+ hour, 8+ min ago (581+ words) The Times of India For decades, astronomers have been finding planets orbiting stars far beyond our solar system More than 6,000 exoplanets are now known.But there is one glaring omission.Not a single moon outside our Solar System has been…...
How Are Exoplanets Found? The Methods Astronomers Use
5+ hour, 48+ min ago (775+ words) Those signals are small. A transit can dim a star by less than one percent, while a star’s gravitational wobble may shift its spectral lines by only a few metres per second. Repeated measurements turn those tiny changes into evidence…...