The Earth Trojan asteroid, only the second one proven by scientists to exist, orbits the sun along the same path as Earth.
The international team of astronomers, led by a group out of the Institute of Cosmos Sciences of the University of Barcelona, confirmed the existence of 2020 XL5, the second Earth Trojan asteroid ever confirmed, after a decade of searching for the elusive rock.
Scientists have known about the existence of Trojan asteroids for decades, since many other planets like Venus, Mars, Jupiter, Uranus and Neptune all have them. But why is it so difficult to spot these asteroids when they are so close to us? The problem lies in their location, which is usually close to the sun and makes the observation window very slim. This sliver of time — right around sunrise — is also when visibility conditions are at their worst due to atmospheric interference and sunlight saturating the background of photographs.
日本 最新ニュース, 日本 見出し
Similar News:他のニュース ソースから収集した、これに似たニュース記事を読むこともできます。
Earth from Orbit: Solar Flare EruptsSpaceWeather focus continues with the GOES-R Series SUVI instrument! It compiles full-disk solar images for constant monitoring of potentially hazardous solar phenomena, like this X1 solar flare on Oct. 28, 2021, via GOESEast. ReadytoGOES Read more:
続きを読む »
Earth has a second known ‘Trojan asteroid’ that shares its orbitA recently found space rock is about 1 kilometer wide, orbits ahead of Earth around the sun and will stick around for at least 4,000 years.
続きを読む »
Earth has a newly discovered rare asteroid companionOur planet has a celestial sentry leading the way around the sun, and it's only the second Earth Trojan asteroid ever discovered
続きを読む »
Could We Save Earth From a 'Planet Killer' in Only 6 Months?Inspired by the movie 'Don't Look Up', scientists calculated whether we could use nuclear weapons to stop an asteroid from colliding with Earth.
続きを読む »
Powerful solar flare from recent sun eruption should reach Earth WednesdayChelsea “Foxanne” Gohd joined Space.com in 2018 and is now a Senior Writer, writing about everything from climate change to planetary science and human spaceflight in both articles and on-camera in videos. With a degree in Public Health and biological sciences, Chelsea has written and worked for institutions including the American Museum of Natural History, Scientific American, Discover Magazine Blog, Astronomy Magazine and Live Science. When not writing, editing or filming something space-y, Chelsea 'Foxanne' Gohd is writing music and performing as Foxanne, even launching a song to space in 2021 with Inspiration4. You can follow her on Twitter chelsea_gohd and foxannemusic.
続きを読む »