ScientistPankaj: New simulation revisits the early universe just seconds after Big Bang

Wednesday, June 8, 2022

New simulation revisits the early universe just seconds after Big Bang

Created for ceo.studentlike.spuniv@blogger.com | Web Version

June 7, 2022

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The Launchpad

New simulation revisits the early universe just seconds after Big Bang

(Claudio Dalla Vecchia)

A new simulation maps the first few seconds after the Big Bang, focusing on what scientists call the intergalactic medium, or the gas and dust between galaxies. A team led by researchers at the Institute of Astrophysics of the Canary Islands used machine learning, a type of algorithm in which a computer is trained to recognize patterns, to complete 100,000 hours of computation.

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'Top Gun: Maverick' got Lockheed help for hypersonic Darkstar jet

(Paramount Pictures)

Last month, we hinted that Lockheed Martin's super-secret experimental spy plane follow-up to the legendary SR-71 Blackbird, designated as the SR-72, might have made a cameo in the "Top Gun: Maverick" trailers.

Now that the film has been released, we can confirm that a modified variant of the mysterious conceptual SR-72 does indeed appear in the opening set piece in a piloted form sporting a few fictional Hollywood touches and it definitely makes a bold impression!

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SpaceX's next Dragon cargo launch to space station delayed

(Orlando Sentinel/Getty Images)

The robotic flight, called CRS-25, will send a SpaceX Dragon capsule toward the orbiting lab atop a Falcon 9 rocket from NASA's Kennedy Space Center in Florida.

The liftoff had been scheduled for Friday, June 10), but that's not going to happen due to a propellant system issue.

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POLL QUESTION:

Space Quiz: Scientists have found signal-emitting object that may be a whole new class of what type of star?

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Spaceflight

China's next crewed spacecraft is ready for potential space station rescue mission

(CNSA/OurSpace)

China's Shenzhou 14 astronauts are only just settling in for their six-month mission aboard the country's space station, but Shenzhou 15 is already on standby in case of an emergency in orbit.

Life in orbit is going well for the trio so far, but back on the ground the Shenzhou 15 spacecraft and a Long March 2F rocket have been assembled and tested in case an emergency arises aboard China's Tiangong space station.

Full Story: Space (6/7)

Valery Ryumin, cosmonaut who launched to Salyut and Mir, dies at 82

(NASA)

Russian cosmonaut Valery Ryumin, who launched on four space station missions including the final U.S. space shuttle flight to dock with the former Mir outpost, has died. He was 82.

Ryumin's death on Monday(opens in new tab) (June 6) was confirmed by the Russian federal space corporation Roscosmos in a statement(opens in new tab).

"We have lost a comrade and a friend," said Dmitry Rogozin, director general of Roscosmos. "This is an irreparable loss for all of us. I express my deepest condolences to the family and friends of Valery Viktorovich. The memory of him will forever remain in our hearts."

Full Story: Space (6/6)

Science & Astronomy

New data trove from Europe's Gaia will lead to best Milky Way map ever

(ESA/ATG medialab/ESO/S. Brunier)

The European Space Agency's Gaia mission will release new data on June 13, and scientists can't wait. The coming data dump will contain information about nearly two billion of the brightest objects in the sky.

The release will supercharge the mapping of our Milky Way galaxy, experts say, allowing astronomers to see to the farthest fringes of the galaxy and also distinguish much finer details in its structure than ever before.

Full Story: Space (6/7)

Hubble telescope images twisted galaxy shaped by a big neighbor

(NASA, ESA, L. Ho (Peking University), and DSS; Image Processing: Gladys Kober (NASA/Catholic University of America))

This fresh Hubble Space Telescope image looks like a gassy disaster unfolding deep in space.

The image shows the galaxy NGC 3718, which NASA officials say is a "highly disturbed spiral," meaning its formation was disrupted. As the galaxy gets into the gravitational well from the neighboring galaxy NGC 3729, that galactic interaction pulls NGC 3718 into an S-shaped warp. The galaxies are separated by 150,000 light-years, with NGC 3729 not shown in this view from the Hubble Space Telescope.

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Technology

Father's Day telescope deal: Save $600 on the Unistellar eVscope eQuinox

(Unistellar)

If you're looking for a serious bit of stargazing equipment or looking to invest in a Father's Day gift of a lifetime, you can now save $600 on the Unistellar eVscope eQuinox when you grab it from the manufacturer's website.

The $600 discount is a huge one and is available until June 20. It's even more impressive knowing this discount comes on one of the top telescopes on the market right now

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Skywatching

Watch the biggest-ever comet outburst spray dust across the cosmos

(Gritsevich, et al. Monthly Notices of the Royal Astronomical Society, Volume 513, Issue 2, June 2022, Pages 2201–2214, https://doi.org/10.1093/mnras/stac822)

The dust trail from the largest comet outburst ever seen will grace the skies this summer — and it's going to look like a giant hourglass.

The night show will come courtesy of comet 17P/Holmes, which in October 2007 let off a huge flash of gas and dust, brightening by a factor of a million and briefly becoming the largest object in the solar system. In that brief period, its coma, the dust cloud surrounding the comet body, had a bigger diameter than the sun.

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