FfFfFfFF 58,379 Posted August 6, 2020 Share Posted August 6, 2020 The team presented their results in a paper titled “Asteroid shower on the Earth-Moon system immediately before the Cryogenian period revealed by KAGUYA.” On Earth, ancient crater impacts are erased. Volcanism, erosions, and other processes take care of that. But we do know that asteroids strike Earth, and that they can be deadly. The Chicxulub impact from about 66 million years ago illustrates that succintly. The Chicxulub impactor was about 10 – 15 km (6 – 10 miles) in diameter. Studies show that we can expect an asteroid about the size of the Chicxulub impactor to strike Earth about once every 100 million years. But since that evidence is hard to come by, the team from Osaka University examined craters on the Moon, to understand what role asteroids have played in Earth’s history. The team looked at craters over 20 km (12.5 miles) in diameter, and studied 59 of them. They examined smaller craters between 0.1-1 km (330 – 3300 ft) in diameter that were in the ejecta of the larger craters. From there the team looked at data from the Apollo missions to the surface of the Moon. Radiometric dating of impact melt spherules from Apollo samples show that “sporadic meteoroid bombardment occurred across the whole Moon at approximately 800?Ma,” the authors write in their paper. They say that these sporadic meteor showers may have delivered large amounts of phosphorous to Earth, affecting the terrestrial environment. S: https://www.universetoday.com/147142/800-million-years-ago-it-was-raining-asteroids-on-the-earth-and-moon/ Link to post Share on other sites More sharing options...
Seryabkina 888 Posted August 6, 2020 Share Posted August 6, 2020 ...and the moon said : "rain. on. me." Link to post Share on other sites More sharing options...
QueenOfSaigon 624 Posted August 6, 2020 Share Posted August 6, 2020 Link to post Share on other sites More sharing options...
weed 79,069 Posted August 6, 2020 Share Posted August 6, 2020 I always wonder when the next asteroid will hit Earth lol it's been a lil while! we'd be so fked Link to post Share on other sites More sharing options...
Red 99,199 Posted August 6, 2020 Share Posted August 6, 2020 Chromatica be like "wake me up when it rains daggers in there " If you see me posting like crazy, I'm either bored or procrastinating. Link to post Share on other sites More sharing options...
Lord Temptation 11,209 Posted August 6, 2020 Share Posted August 6, 2020 I love the moon Link to post Share on other sites More sharing options...
Bloody hooker 6,445 Posted August 6, 2020 Share Posted August 6, 2020 800M years ago it was raining... Me: Gaga just won’t let up on the ROM promo! Serving it ancient asteroid style On topic: The moon is so mysterious. Even our solar system is mysterious This mutual gaze was a “longing to touch” or a "pre-coitus" stare. Link to post Share on other sites More sharing options...
Where is LG7 3,720 Posted August 6, 2020 Share Posted August 6, 2020 57 minutes ago, QueenOfSaigon said: the dinosaurs and aliens (if there were any) were all just dancing there like 'we were all so happy that day...' Link to post Share on other sites More sharing options...
Blastertoyo 22,734 Posted August 6, 2020 Share Posted August 6, 2020 Rain On Moon please enlighten me to death Link to post Share on other sites More sharing options...
Doot 2 Posted August 6, 2020 Share Posted August 6, 2020 1 hour ago, weed said: I always wonder when the next asteroid will hit Earth lol it's been a lil while! we'd be so fked We still have 5 months left in 2020. Don't get comfortable. Link to post Share on other sites More sharing options...
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