Daily News update on – Science


July 3, 2021

NEWS

Space.com

SpaceX tracking camera captures epic video of Falcon 9 rocket landing

Originally slated to launch on June 25, the mission was delayed a few days to allow for more prelaunch checkouts. Then, another 24-hour delay occurred on Tuesday (June 29) when the plane entered the restricted airspace around the launch site.

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Space.com

NASA’s Perseverance rover is taking its own wheel for Mars drives

NASA’s Perseverance rover is picking up the pace on Mars thanks to technology that helps the robot avoid running into trouble on its otherworldly drives. That technology, called AutoNav, is a navigation system that maps terrain and plans routes without the …

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The Weather Channel

Weekly Digest (June 28-July 3, 2021): Top Weather, Science and Coronavirus Stories of the Week

Dinosaurs Were Already In Decline—Possibly Due to Climate Change—Before Asteroid Impact Triggered Their Extinction! About 66 million years ago, an asteroid came crashing from the sky and completely altered the state of the …

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Mashable

Hubble celebrates the Fourth of July with a gorgeous cosmic fireworks show

These aren’t actually fireworks you’re seeing, but they sure look the part. As we head into Independence Day weekend in the United States, a new Hubble image drop from NASA and the European Space Agency (ESA) is here to kick off the festivities.

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The Weather Channel

Earth’s Cryosphere—All Areas with Frozen Water—Shrank by 87000 Square KM Per Year In Last 37 Years

The extent of land covered by frozen water is just as important as its mass because the bright white surface reflects sunlight so effectively, cooling the planet. Changes in the size or location of ice and snow can alter air temperatures, change the sea level, and …

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UPI.com

Scientists find unexplained collection of fossilized shark teeth in Jerusalem

July 3 (UPI) — Scientists have uncovered a mysterious cache of shark teeth in the City of David in Jerusalem. The teeth were discovered at least 50 miles from where similar fossils might be unearthed by paleontologists. Advertisement. Researchers detailed …

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WBTV

Astronomers discover record-breaking star as small as the moon but with more mass than the sun

“It may seem counterintuitive, but smaller white dwarfs happen to be more massive,” lead author Ilaria Caiazzo said in a statement. “This is due to the fact that white dwarfs lack the nuclear burning that keep up normal stars against their own self gravity, and their …

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BBC News

Then and now: Arctic sea-ice feeling the heat

The shrinking sea-ice in the Arctic is not only a sign of climate change, it is causing the planet to warm more quickly. This is because more sunlight is being absorbed by the darker ocean, rather than being reflected back into space.

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NASASpaceflight.com

Booster 3 opens Super Heavy test campaign as orbital vehicles prepare to stack

Following a test campaign focused on SpaceX’s Starship vehicle, the Super Heavy booster is now taking up the mantle of testing at the Starbase launch site. Booster 3 rolled out of the High Bay on Thursday, taking the trip down Highway 4 before being placed …

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Las Cruces Sun-News

Why is NASA going back to Venus?

Reality couldn’t be more different. Venus is a hellish planet. The temperature at its surface is 850 degrees Fahrenheit, so hot it can melt lead. The atmosphere is 100 times denser than Earth’s, and almost pure unbreathable carbon dioxide.

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