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A gas giant 520 light-years away has equatorial atmospheric motion approaching 33,000 kilometres per hour—around 16 times Neptune’s fastest winds. When announced in January 2025, it was the fastest planetary jet stream yet measured, although an even faster one was reported on another exoplanet just a month later.
20+ min ago (1574+ words) WASP-127b's brief wind-speed record reveals how Doppler-shifted molecules can turn an unresolved exoplanet into the beginnings of a weather map. By Deep Field · Edited by Lachlan Brown Published August 24, 2026 · How we edit For 28 days in early 2025, WASP-127b held one…...
Why a Planet’s Slow Spin Could Turn It into a Scorching World Like Venus
1+ hour, 54+ min ago (149+ words) ...
Astronomers develop a faster way to simulate the complicated motion of binary asteroids
3+ hour, 43+ min ago (1024+ words) Binary asteroids can behave less like two simple rocks in orbit and more like a tightly coupled mechanical system. Their shapes, positions and rotations all influence one another, making long-term predictions difficult and exposing weaknesses in standard numerical methods. That…...
How Pluto and the Kuiper Belt Changed the Definition of a Planet
4+ hour, 7+ min ago (315+ words) Visit tips around Freedom 250 Grand Prix in Washington, DC. Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history. Free timed-entry passes are required for the Museum in DC....
Apollo 15 Astronauts’ 1971 Moon Samples Reveal Water Inside Tiny Green Glass Beads, Challenging What Scientists Knew About the Lunar Interior
6+ hour, 54+ min ago (359+ words) When Apollo 15 astronauts David Scott and James Irwin scooped up a patch of oddly shimmering green soil near Hadley Rille in 1971, neither could have known the tiny glass beads packed inside their sample bag would, decades later, help overturn one…...
Harrison "Jack" Schmitt finds Apollo 15 orange soil at Shorty Crater
13+ hour, 36+ min ago (334+ words) Harrison "Jack" Schmitt shouted, "There is orange soil!" during Apollo 17 at Shorty Crater, where the unexpected patch later proved to be thousands of microscopic glass beads. What looked like ordinary lunar soil was tied to ancient volcanic activity on the…...
IncResUnet: A model for automatic ionospheric plasma bubble detection
11+ hour, 20+ min ago (1255+ words) Plasma bubbles in the ionosphere over equatorial and low-latitude regions are a common nighttime plasma density depletion structure that can cause severe scintillation interference on high-frequency communications, making them an important target of space weather monitoring. Traditional detection methods rely…...
The orbital evolution of 2 binary asteroid systems based on Hamel's variational integrators
12+ hour, 9+ min ago (1383+ words) With growing concerns over the impact threat of near-Earth small bodies and the utilization of space resources, the orbital evolution of binary asteroid systems has become an important subject in space science. When describing the full two-body dynamics of such…...
Astronomers find evidence of liquid recently flowing on the surface of Pluto
10+ hour, 30+ min ago (1152+ words) Pluto’s surface stays at about −393°F (−236°C), cold enough that nitrogen there isn’t a gas at all but a glacier miles deep. Nothing about a world that cold suggests liquid could be flowing on its surface. But dark streaks along…...
Hera's Mars flyby guided impact study of Deimos moon
11+ hour, 44+ min ago (651+ words) 18/08/2026 2541 views 43 likes A new study – guided by flyby images from ESA’s Hera asteroid mission – suggests that Mars’s small outer moon Deimos has been dramatically reshaped by a single violent asteroid impact. This would account for its mysteriously smooth and youthful…...