العلوم والبيئة
Forecasting air drag with deep learning helps predict when uncontrolled satellites and rocket stages fall to Earth
المصدر: Phys.org - latest science and technology news stories · نُشر
On May 10, 2025, a spacecraft built in the Soviet Union to land on Venus came home. Launched in 1972, Cosmos-482 was stranded by a failed upper stage of its rocket and circled Earth for 53 years. In its last days, several space agencies and research groups forecasted when it woul
On May 10, 2025, a spacecraft built in the Soviet Union to land on Venus came home. Launched in 1972, Cosmos-482 was stranded by a failed upper stage of its rocket and circled Earth for 53 years. In its last days, several space agencies and research groups forecasted when it would fall, and therefore where.
Roscosmos later reported that it came down in the Indian Ocean, west of Jakarta.
أخبار ذات صلة
Scientists uncover the 2.3-billion-year-old secret that helped keep Earth habitable
Scientists may have solved a 2.3-billion-year-old mystery about how Earth maintained enough oxygen to support life. Ancient rocks reveal that phosphorus recycling in the oceans created a self-sustaining cycle that helped keep oxygen levels high, even as the planet underwent drama
All Top News -- ScienceDaily ·
Things are finally looking up for NASA's first missions to Venus in a generation
Most planetary scientists will tell you the heyday of Venus exploration was more than a generation ago. That is about to change. Two NASA missions are on track to launch to Venus in the early 2030s. The first, known as the Deep Atmosphere Venus Investigation of Noble gases, Chemi
Ars Technica - All content ·
Europe's new Sentinel-3C satellite just sent back spectacular images of Earth
Europe's Sentinel-3C satellite has returned breathtaking images of Earth just two weeks after launch, revealing the snowy Alps, frozen Arctic islands, and brilliant turquoise Caribbean waters. Its first measurements also show promising results for tracking rising seas, melting ic
All Top News -- ScienceDaily ·
NASA spots a giant patch of Moon-like rock on Earth
An astronaut aboard the International Space Station photographed a remarkable formation in Madagascar that looks surprisingly similar to the Moon’s bright highlands. Made of anorthosite, a rock abundant on the lunar surface, the formation dates back at least 600 million years and
All Top News -- ScienceDaily ·
MIT astronomers catch a star in a feast that could last billions of years
Astronomers have discovered a bizarre star system about 300 light-years from Earth where a small star is slowly devouring a nearby brown dwarf, an object too massive to be a planet but too small to be a true star. Unlike stars that rapidly swallow their companions, this one is gr
All Top News -- ScienceDaily ·