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WebA solar day on Mars lasts 24 hours and 39 minutes, giving it a rhythm remarkably close to Earth’s. On most of the Moon, roughly two weeks of sunlight are followed by two weeks of darkness, as exposed surface temperatures climb toward 127°C and then fall toward −173°C—with no atmosphere to create twilight or soften the transition.
2+ day, 6+ hour ago (1505+ words) A Martian sol closely matches an Earth day, while most lunar sites endure about two weeks of daylight and two weeks of night. Rotation, orbit and atmosphere explain why. By The Long View · Edited by Lachlan Brown Published September 11, 2026 · How…...
Coral growth rings from 400 million years ago record about 400 days in a year, because Earth spun faster then and the day lasted closer to 22 hours
4+ day, 10+ hour ago (919+ words) Daily and annual growth bands in fossil corals helped reveal a faster-spinning Earth. About 400 days fitted into a year, putting each day near 22 modern hours. By The Long View · Edited by Lachlan Brown Published September 9, 2026 · How we edit A fossil…...
In 1971, the Soviet Union’s Mars 3 became the first spacecraft to soft-land successfully on Mars—but it transmitted for just 14.5 seconds before falling silent, giving it the shortest successful surface mission in Martian history.
6+ day, 26+ min ago (897+ words) Mars 3 achieved the first soft landing on Mars, then lost contact within seconds. The surviving records distinguish a successful arrival from a surface investigation that never developed. By The Long View · Edited by Lachlan Brown Published September 8, 2026 · How we edit…...
The strangest sky in the solar system may be Titan's: Saturn spans 5 degrees of arc overhead, eleven times bigger than our full Moon, and never moves from its position — not in a day, not in a year, not in a billion years
1+ week, 3+ day ago (1613+ words) Saturn would span roughly eleven lunar widths from Titan's Saturn-facing side and remain in one part of the sky, although libration, haze and orbital evolution complicate the picture. By The Long View · Edited by Lachlan Brown Published September 3, 2026 · How we…...
NASA's Roman telescope launches on Sunday August 30 with the same size mirror as Hubble, but it takes in roughly 100 times more sky at once — and it is arriving eight months ahead of its committed date
2+ week, 4+ day ago (622+ words) Published August 26, 2026 · How we edit Roman is set to lift off at 7:26 a.m. EDT on Sunday, August 30, 2026, aboard a SpaceX Falcon Heavy from Kennedy Space Center. The point of Roman is not to see fainter or farther than Hubble....
On 5 July 2024, Earth completed a rotation 1.66 milliseconds short of 86,400 seconds, the shortest day measured in the atomic-clock era, breaking the previous record set in June 2022
2+ week, 6+ day ago (403+ words) Scientists still don't know why Earth suddenly started spinning faster after billions of years of slowdown, but the implications for timekeeping could force a historic reckoning. By Lab Report · Edited by Mal James Published August 24, 2026 · How we edit Both things…...
Only one antenna on Earth can still send commands to Voyager 2 — a 70-metre dish outside Canberra — and when it went offline for eleven months in 2020, the probe flew on unable to be told anything
2+ week, 6+ day ago (303+ words) A probe built in the 1970s became temporarily unreachable because Earth had no redundancy—and no one noticed until it was too late. By The Long View · Edited by Mal James Published August 24, 2026 · How we edit What strikes us is how…...
If you compressed Earth's entire atmosphere down to sea-level density, it would form a shell only about eight kilometres thick around a planet with a radius of 6,371 kilometres — thinner, proportionally, than the skin of an apple SD
3+ week, 1+ day ago (525+ words) We live under an absurdly fragile veil of gas, one that would barely register as a protective layer if you could see our planet whole. By The Long View Published August 22, 2026 · How we edit Pick up an apple and look…...
Astronomers have confirmed a super-Earth in the habitable zone of GJ 887 — just 10.7 light-years away — making it the second-closest known habitable-zone planet after Proxima Centauri b, and one of the closest targets we could ever hope to characterise.
3+ week, 3+ day ago (566+ words) For the first time, we have a potentially habitable world close enough to actually study—and at just 10.7 light-years away, it's nearly within reach of our most ambitious telescopes. By Lab Report · Edited by Mal James Published August 21, 2026 · How we…...
Titan is the only world beyond Earth where you could step outside without a pressure suit??? the air is thick enough to keep your body intact??? but the surface sits at minus 179 degrees Celsius, where methane and ethane fall as rain
3+ week, 5+ day ago (1379+ words) Titan’s 1.5-bar atmosphere would prevent vacuum exposure, but an explorer would still need oxygen, active heating and a sealed suit against its cryogenic methane weather. By The Long View · Edited by Lachlan Brown Published August 19, 2026 · How we edit A human…...