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Extinction Of Large Herbivorous Caused Increased Fires Around The World

Google Science Feeds - Fri, 11/26/2021 - 13:34
Beginning 50,000 years ago, some of the world's largest animals which mostly lived off of grasslands, such as the Giant Bison, the Wolly Mammoth, Ancient Horses and more gradually went extinct. This triggered a dramatic increase in incidents of ...

Hubble telescope captures stunning image of the star-forming Prawn Nebula

Google Science Feeds - Fri, 11/26/2021 - 12:26
The Prawn Nebula, formally known as IC 4628, is an emission nebula located 6,000 light-years from Earth, in the constellation Scorpius. Nebulas, or clouds of interstellar gas and dust, form following massive stellar explosions; in turn, this interstellar ...

Promising new electric iodine thruster passes key test in orbit

Google Science Feeds - Fri, 11/26/2021 - 12:24
Electric propulsion generates much less thrust than chemical rockets, making it too weak to launch a spacecraft from Earth's surface. But electric thrusters are highly efficient at producing thrust, given the small amount of propellant they carry. This ...

NASA Is Practicing Asteroid Deflection. You Know, Just in Case.

Google Science Feeds - Fri, 11/26/2021 - 12:05
A spacecraft is on its way to nudge a distant asteroid. By Marina Koren. An illustration of an asteroid knocking into the planets of the solar system ...

NASA's James Webb telescope will peer through the haze of other worlds

Google Science Feeds - Fri, 11/26/2021 - 11:09
One in two sun-like stars in our galaxy has a sub-Neptune exoplanet, a world between the size of Earth and Neptune, says Jacob Bean, an exoplanet astronomer at the University of Chicago and co-leader of two planned exoplanet observations outlined in a ...

Scientists 'stunned' by unexpected discovery of mammoth tusk during deep-sea exploration

Google Science Feeds - Fri, 11/26/2021 - 11:04
The peculiar specimen was first spotted in 2019 by marine biologist Steven Haddock and Randy Prickett, the pilot of their remotely operated vehicle, during an expedition aboard the R/V Western Flyer.

Asteroid deflection and disordered diamonds — the week in infographics

Google Science Feeds - Fri, 11/26/2021 - 10:43
Rather than being a catastrophic error, this will be the first test of a way to protect Earth from killer asteroids. Launched from California on 23 November, the spacecraft — the Double Asteroid Redirection Test (DART) — will target Dimorphos, an asteroid ...

Northern lights this weekend? Solar flare to 'glance' Earth tomorrow

Google Science Feeds - Fri, 11/26/2021 - 10:38
STARGAZERS could be treated to a showing of the Northern Lights this weekend as an incoming solar flare hits Earth. A stream of space radiation erupted from the Sun on November 24 and is expected to reach Earth as early as Saturday.

Physicists detect signs of neutrinos at Large Hadron Collider

Google Science Feeds - Fri, 11/26/2021 - 09:49
In a paper published today in the journal Physical Review D, the researchers describe how they observed six neutrino interactions during a pilot run of a compact emulsion detector installed at the LHC in 2018. "Prior ...

New Covid variant: UK put safety first over Africa travel - Shapps

Health News BBC - Fri, 11/26/2021 - 09:46
Fears about the impact on vaccines mean travel from six African countries had to be restricted, he adds.

Russian ASAT test adds risk to Solar Orbiter's super close Earth flyby

Google Science Feeds - Fri, 11/26/2021 - 09:33
A solar probe on a mission to take the closest ever images of the sun will pass incredibly close to Earth today, but debris from the recent Russian anti-satellite missile test will make its visit more risky and unpredictable.

The TRAPPIST-1 solar system not bombarded by space rocks like early Earth, study suggests

Google Science Feeds - Fri, 11/26/2021 - 09:16
TRAPPIST-1 would be an unremarkable star if not for the scientific interest generated by its seven planets. Astronomers first spotted the new worlds, at least three of which might be habitable, in 2016. Now, a new study suggests that the way the ...

Lunar Regolith Stores Enough Oxygen to Sustain 8 Billion Humans for 1 Lakh Years! Can We Extract or Use it?

Google Science Feeds - Fri, 11/26/2021 - 08:46
Our home planet has been supporting life for billions of years. But for more than a billion years since the formation of the Earth, its atmosphere was devoid of oxygen. Multiple factors led to the gradual oxygenation of the Earth's atmosphere around ...

Wish You Were Here: NASA's Curiosity Rover Sends a Rare Postcard From Mars to Mark 10th Anniversary

Google Science Feeds - Fri, 11/26/2021 - 08:30
The rover had captured two black-and-white images of the thrilling Martian landscape while it was perched on the side of Mount Sharp. NASA scientists combined the two images and added colour to them and then shared the composite image on the space agency's ...

Arctic Ocean 'started getting warmer decades earlier than previously thought'

Google Science Feeds - Fri, 11/26/2021 - 07:52
Researchers found that its temperature actually started rising at the beginning of the 20th century – several years earlier than records suggest – due to warmer water flowing into the delicate polar ecosystem from the Atlantic Ocean. An ...

Solar eclipse 2021 on December 4: How to watch, timings, visibility in India

Google Science Feeds - Fri, 11/26/2021 - 05:51
NASA says that the cosmic phenomenon will also be visible from a few other parts of the globe. Sky gazers in the southern tip of South America, Africa, Australia, and New Zealand can see partial phases of the eclipse.

Chilling video shows half-eaten zombie shark hunting despite attack by other sharks

Google Science Feeds - Fri, 11/26/2021 - 01:24
A scientist has captured disturbing footage of a shark continuing to hunt for prey despite missing a huge portion of its body. The beast was eventually eaten in an act of shark-on-shark cannibalism, which is apparently a "fundamental trait" in them.

Search For Life: Hundreds Of New Exoplanets Discovered By Astronomers

Google Science Feeds - Fri, 11/26/2021 - 01:18
A team of researchers claim to have spotted 366 new exoplanets using a freshly developed algorithm and merely days after NASA itself announced the discovery of 301 new exoplanets. For reference, any planet that exists outside the solar system is ...

Ambulances forced to queue daily outside A&Es, study suggests

Health News BBC - Fri, 11/26/2021 - 01:14
NHS guidance says that ambulance handovers should be completed within 15 minutes.

NASA launches mission to crash into a near-Earth asteroid to try to change its motion in space

Google Science Feeds - Fri, 11/26/2021 - 01:12
(CNN) -- A NASA spacecraft that will deliberately crash into an asteroid has successfully launched. The DART mission, or the Double Asteroid Redirection Test, lifted off at 10:21 p.m. PT on November 23 (1:21 a.m. ET November 24) aboard a SpaceX Falcon ...

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