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23 Aug 2021, 21:39 UTC Using the powerful 570-megapixel Dark Energy Camera (DECam) in Chile, astronomers just ten days ago discovered an asteroid with the shortest orbital period of any known asteroid in the Solar System. Next Previous
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NASA Breaking News 16 Oct 2021, 10:23 UTC NASA’s Lucy mission, the agency’s first to Jupiter’s Trojan asteroids, launched at 5:34 a.m. EDT Saturday on a United Launch Alliance (ULA) Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida.
MIT 15 Oct 2021, 18:00 UTC In the early solar system, a “protoplanetary disk” of dust and gas rotated around the sun and eventually coalesced into the planets we know today. A new analysis of ancient meteorites by scientists at MIT and elsewhere suggests that a mysterious gap existed within this disk around 4.567 billion years ago, near the location where the asteroid belt resides today.
NASA's Goddard Space Flight Center 15 Oct 2021, 10:50 UTC NGC 4666 takes center stage in this image from the NASA/ESA Hubble Space Telescope. This majestic spiral galaxy lies about 80 million light-years away in the constellation Virgo and is undergoing a particularly intense episode of star formation. Astronomers refer to galaxies that rapidly form stars as starburst galaxies. NGC 4666’s starburst is likely due to gravitational interactions with its unruly neighbors – including the nearby galaxy NGC 4668 and a dwarf galaxy, which is a small galaxy made up of a few billion stars.
ESA Top News 13 Oct 2021, 09:22 UTC The second European Service Module for NASA’s Orion spacecraft is on its way to USA. It is the last stopover on Earth before this made-in-Europe powerhouse takes the first astronauts around the Moon on the Artemis II mission.
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Parabolic Arc 18 Oct 2021, 15:52 UTC Following a successful launch on Oct. 16, 2021, analysis of NASA’s Lucy spacecraft systems show the spacecraft is operating well and is stable. Lucy’s two solar arrays have deployed, and both are producing power and the battery is charging. While one of the arrays has latched, indications are that the second array may not be fully latched. All other subsystems are normal. In the current spacecraft attitude, Lucy can continue to operate with no threat to its health and safety. The team is analyzing spacecraft data to understand the situation and determine next steps to achieve full deployment of the solar array.
Universe Today 15 Oct 2021, 14:49 UTC An early morning launch is planned for the Lucy spacecraft, the first space mission to study Jupiter’s Trojan asteroids. Tomorrow, October 16 at 5:34 a.m. EDT is the first day and time in Lucy’s 21-day launch window, and current weather conditions show a 90% chance of favorable conditions for liftoff from Cape Canaveral Space Force Station in Florida. The launch window remains open for 75 minutes.
Bad Astronomy 15 Oct 2021, 13:00 UTC I know that I usually write about stuff you have to look up to see, but I also like to learn about what's going on under my feet. I'm biased; like most of you I live on a planet. So I was fascinated to read that new findings imply that the Earth's inner core may not be entirely solid, and instead might have a mushy layer up to 250 kilometers deep in its upper reaches, and there could be both solid and liquid bits mixed in that layer as well.
SciTech Daily 15 Oct 2021, 10:31 UTC The last decades of “exoplanet hunting” – the search for planets orbiting stars other than the Sun – have allowed us to better understand the evolutionary paths leading to the current architecture of our planetary system as well as of other discovered systems. To date, the discovery of 4715 exoplanets belonging to 3247 planetary systems has been confirmed, and there are approximately 5900 planets awaiting confirmation.
Bad Astronomy 14 Oct 2021, 13:00 UTC You are made of star stuff. Carl Sagan said this in his series Cosmos, and it’s literally true. We know the early Universe only had hydrogen and helium (and a soupçon of lithium) in it, and all the heavier elements — carbon, oxygen, phosphorus, and more — were made in stars. These were then ejected into space, eventually making their way into you (some steps may have been skipped here for brevity).