Daily News update on – Science


July 21, 2023
NEWS

Space.com

Asteroid sample incoming: OSIRIS-REx team preps for September landing of Bennu bits

LITTLETON, Colorado — As NASA’s first mission to collect a sample from an asteroid screams toward Earth, recovery teams are practicing the steps needed to ensure that the extraterrestrial material arrives safely on Earth for detailed scientific …

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Space.com

NASA searches for climate solutions as global temperatures reach record highs

From unmanned aircraft to ultra-precise satellite data, NASA officials open up about innovations to protect our planet. Comments (0). NASA experts stand in a dark room with Earth visualizations to show the impacts of climate. NASA experts stand in a …

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Space.com

Hubble telescope captures a brave star trying to outshine a huge galaxy (photo)

A bright star photobombed a new image of a galaxy bursting with new stars. The Hubble Space Telescope, which is a joint mission of NASA and the European Space Agency (ESA), photographed an irregular galaxy known as Arp 263, or NGC 3239.

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Scientific American

Nearby Supernova Gives Unique View of a Dying Star’s Last Days

Every 10 seconds, somewhere in the universe, a star explodes. The light from a small fraction of these supernovae—roughly a few hundred per year—reaches us here on Earth to be pored over by astronomers. Studying supernovae is vital to gaining a deeper …

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The New York Times

From an Ancient Soil Sample, Clues to an Ice Sheet’s Future

In 1966, scientists at Camp Century, a now abandoned U.S. military base in the Arctic, drilled deep into the Greenland ice sheet, extracting a cylinder of ice nearly a mile long along with 12 feet of the frozen sediment that sat beneath it.

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SpaceNews

NASA emphasizes climate science role amid fiscal and partisan challenges

In a July 20 media briefing, NASA leadership highlighted the agency’s work in studying the climate and addressing climate change, efforts that range from Earth science missions to aeronautics research into sustainable aviation. “You think …

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Space.com

Was Oppenheimer, the father of the atomic bomb, also the father of black holes?

Eight years before Oppenheimer’s theory of star collapse and black hole birth, another theoretical physicist was thinking about what happens when stars run out of fuel for nuclear fusion. When this fuel is exhausted, a star can no longer support itself …

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Space.com

Climate change may be changing the color of Earth’s oceans

For 21 years, scientists have been tracking changes in ocean color with the Moderate Resolution. NASA and Joshua Stevens, using Landsat data from the U.S. Geological Survey and MODIS data from LANCE …

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Space.com

GPS satellites may be able to detect earthquakes before they happen

But existing equipment would need to be some 50 times more sensitive in order to detect a precursor to an earthquake. Comments (0). deep cracks in a road caused by an earthquake. A large fracture crosses Crater Rim Drive near Kilauea Caldera in Hawaii …

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Scientific American

Oppenheimer Almost Discovered Black Holes Before He Became ‘Destroyer of Worlds’

J. Robert Oppenheimer, now the protagonist of a much-anticipated film hitting theaters on July 21, is today most known for his scientific leadership of the U.S. Manhattan Project, the World War II–era crash program to build the first-ever atomic bombs.

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