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The robotic spacecraft OSIRIS-REx is scheduled to release the gumdrop-shaped capsule, transporting about a cup of gravelly asteroid material, at 6:42 a.m. EDT (1042 GMT) for a final descent to Earth, climaxing a seven-year voyage. The spacecraft departed Bennu in May 2021 for a 1.2-billion-mile (1.9-billion-km) cruise back to Earth, including two orbits around the sun. The Bennu sample is estimated at 250 grams (8.8 ounces), far surpassing the 5 grams of material carried back from Ryugu in 2020 or the tiny specimen delivered from asteroid Itokawa in 2010. Scientists hope the integrity of the capsule and inner cannister bearing the asteroid material will be maintained through re-entry and landing, keeping the sample pristine and free of any terrestrial contamination. The main portion of the OSIRIS-REx spacecraft, meanwhile, is expected to sail on to explore yet another near-Earth asteroid, named Apophis.
Persons: Joel Kowsky, REx, climaxing, NASA's, Steve Gorman, Rosalba O'Brien Organizations: United Launch Alliance, V, Cape Canaveral Air Force, NASA, Handout, Reuters, University of Arizona, Empire, NASA's Johnson Space Center, Thomson Locations: Florida, U.S, Utah, Salt Lake City, military's, Ryugu, Houston, Los Angeles
Acquire Licensing Rights Read moreLOS ANGELES, Sept 23 (Reuters) - A NASA space capsule carrying a sample of rocky material plucked from the surface of an asteroid three years ago hurtled toward Earth this weekend headed for a fiery plunge through the atmosphere and a parachute landing in the Utah desert on Sunday. OSIRIS-REx collected its specimen from Bennu, a carbon-rich asteroid discovered in 1999 and classified as a "near-Earth object" because it passes relatively close to our planet every six years. The Bennu sample is estimated at 250 grams (8.8 ounces), far surpassing the amount of material carried back from asteroid Ryugu in 2020 and asteroid Itokawa in 2010. The main portion of the OSIRIS-REx spacecraft, meanwhile, is expected to sail on to explore yet another near-Earth asteroid. Reporting by Steve Gorman in Los Angeles, Editing by Rosalba O'BrienOur Standards: The Thomson Reuters Trust Principles.
Persons: REx, Sandra Freund, Lockheed Martin, Dante Lauretta, NASA's, Steve Gorman, Rosalba O'Brien Organizations: United Launch Alliance, V, Cape Canaveral Air Force, NASA, Lockheed, University of Arizona, Empire, NASA's Johnson Space Center, Thomson Locations: Florida, U.S, ANGELES, Utah, military's, Salt Lake City, Tucson, Houston, Los Angeles
Venture investment in space startups has dropped 50% year-over-year in 2022 to $21.9 billion, according to VC firm Space Capital. Astra Space (ASTR.O), which ditched its small Rocket 3.3 for a planned, larger Rocket 4 in the next few years, has struggled to bring its stock price above $1, facing delisting threats from Nasdaq. Despite the startups' struggles, launch demand has soared after sanctions following Russia's invasion of Ukraine cut off access to Russian rockets. Recent failures with Europe's Arianespace's Vega-C rocket have added to demand in the U.S., outstripping the number of available rockets. Private plans to deploy mega-constellations, vast swarms of satellites in low-Earth orbit, have also given launch startups hope for future demand.
Chinese scientists conducted a computer experiment of a nuclear blast in space. This could render nuclear weapons ineffective and too dangerous for an anti-satellite mission. Chinese military researchers worry that these satellites could provide communication services to rivals or slam into China's space station or satellites, acting as "suicide agents" to disable Chinese space infrastructure during a war. Some Chinese researchers have therefore proposed hitting a few carefully selected targets that could produce a small amount of space debris. "Whether it is legal to use nuclear weapons as a defence measure against a hypersonic weapon attack remains a subject of debate in the research community," he added.
The Space Launch System (SLS) is 17 years and an estimated $50 billion in the making. The Space Launch System (SLS) at Kennedy Space Center in Florida on March 17, 2022. This first mission, called Artemis I, is a test flight that will carry no astronauts. The current iteration of SLS, called Block 1, stands taller than the Statue of Liberty at 322 feet, about 30 stories. NASA/Cory HustonIf Artemis I goes well, the next SLS mission will send an Orion spaceship around the moon with astronauts on board.
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