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☆ Lasers on Artemis II will share high-definition video of the moon
▼ + stars: | 2023-05-09 | by ( Ashley Strickland | ) edition.cnn.com time to read: +6 min

CNN —When the crewed Artemis II mission makes its lunar flyby in late 2024, we’ll be able to see video of the moon like never before — and it’s all thanks to lasers. Along for the historic journey to the moon will be the Orion Artemis II Optical Communications System, or O2O — making Artemis II the first crewed lunar flight to demonstrate laser communications technology. This illustration depicts the Orion Artemis II Optical Communications System sending a laser signal from the Orion spacecraft to Earth. Lasers will be able to send back more data at a quicker rate across longer distances, such as when Orion is flying by the moon during Artemis II. “We are thrilled by the promise laser communications will offer in the coming years,” says Badri Younes, deputy associate administrator and program manager for space communications and navigation at NASA headquarters in a statement.

☆ Ambitious genome project shows how humans fit with other mammals
▼ + stars: | 2023-04-27 | by ( Will Dunham | ) www.reuters.com time to read: +4 min

The findings in the ambitious Zoonomia Project identified parts of the genome functionally important in people and other mammals and showed how certain mutations can cause disease. The project revealed the genetics of uncommon mammalian traits like hibernation and showed how the sense of smell varies widely. The researchers said the findings on hibernation genetics could inform human therapeutics, critical care and long-distance space flight. The most primitive species was the venomous burrowing insect-eater Hispaniola solenodon, closely related to mammals alive during the dinosaur age. In terms of human differences from other mammals, the study pointed to regions associated with developmental and neurological genes.

“We need to have tabletop exercises that go through a variety of scenarios, including possibly nuclear weapons,” a senior official told CNN earlier this month. Leaks loomRecent online leaks of Pentagon documents involving South Korea also loom over the visit. One of the leaked documents describes, in remarkable detail, a conversation between two senior South Korean national security officials about concerns by the country’s National Security Council over a US request for ammunition. Plans and pompWednesday’s events mark just the second state visit of the Biden presidency (Biden hosted French President Emmanuel Macron and his wife Brigitte in December 2022). President Joe Biden, first lady Jill Biden, South Korea's President Yoon Suk Yeol and his wife Kim Keon Hee visit the Korean War Veterans Memorial in Washington, Tuesday.

WASHINGTON, April 26 (Reuters) - President Joe Biden and South Korean leader Yoon Suk Yeol are expected to agree on Wednesday to deepen collaboration meant to deter nuclear escalation by North Korea amid heightened anxiety about its growing arsenal of missiles and bombs, U.S. officials said. The Republic of Korea is South Korea's official name. The officials stressed that no U.S. nuclear weapons would be returned to the peninsula, and South Korea would continue not to have control over the U.S. nuclear arsenal. South Korea will also reaffirm its commitment to the nuclear non-proliferation treaty and its non-nuclear status, they said. It is only the second state visit Biden has hosted since he took office two years ago - the first such guest was France's president.

☆ I've studied the sun for 23 years. Here's what happened during the last solar maximum and what to expect from this one.
▼ + stars: | 2023-04-25 | by ( Crystal Raypole | ) www.businessinsider.com time to read: +6 min

Solar maximum is a peak in the sun's activity that happens around the middle of each solar cycle. Mathew OwensThe solar maximum represents a peak in solar activity when the sun's magnetic field reaches its strongest and most disordered and dynamic point. NASA/Solar Dynamics ObservatorySolar cycles typically last 11 years, and the solar maximum happens roughly in the middle of each cycle. The sun's magnetic field reaches peak strength during solar maximum, generating an increase in events like solar flares and coronal mass ejections. These bursts are around four times as likely to occur during a solar maximum than a solar minimum.

☆ S.Korea's Yoon to meet Biden as doubts grow over nuclear umbrella
▼ + stars: | 2023-04-24 | by ( Hyonhee Shin | ) www.reuters.com time to read: +4 min

More than 64% supported South Korea developing its own nuclear weapons, with about 33% opposed. Yoon has been pushing to boost South Korea's say in operating the U.S. extended deterrence but exactly what that might entail has not been spelt out. A senior U.S. official said on Friday that Biden, during the summit with Yoon, would pledge "substantial" steps to underscore U.S. commitments to deter a North Korean nuclear attack. South Korea, a major producer of artillery shells, says it has not provided lethal weapons to Ukraine, citing its relations with Russia. South Korea tries to avoid antagonising Russia, due chiefly to business interests and Russian influence over North Korea.

REUTERS/Gene BlevinsBOCA CHICA, Texas, April 17 (Reuters) - Elon Musk's SpaceX made final preparations early on Monday to launch its powerful new Starship rocket system to space for the first time, on a brief but highly anticipated uncrewed test flight from the Gulf Coast of Texas. But neither stage will be recovered for the expendable first test flight to space, expected to last no more than 90 minutes. The Federal Aviation Administration just last Friday granted a license for what would be the first test flight of the fully stacked rocket system, clearing a final regulatory hurdle for the long-awaited launch. As designed, the Starship rocket is nearly two times more powerful than NASA's own Space Launch System (SLS), which made its debut uncrewed flight to orbit in November, sending a NASA cruise vessel called Orion on a 10-day voyage around the moon and back. Reporting by Joe Skipper in Boca Chica, Texas, and Joey Roulette in Denver; Writing and additional reporting by Steve Gorman in Los Angeles; Editing by Clarence FernandezOur Standards: The Thomson Reuters Trust Principles.

BOCA CHICA, Texas, April 17 (Reuters) - Elon Musk's SpaceX called off the highly anticipated debut launch of its newly-combined Starship cruise vessel and Super Heavy rocket in the final minutes of countdown due to a frozen valve, delaying the uncrewed test flight for at least two days. But the California-based space company announced in a live webcast that it was scrubbing the planned 90-minute flight into space for a minimum of 48 hours, citing a frozen pressurization valve in the lower-stage rocket booster. A successful debut flight would also instantly rank the Starship system as the most powerful launch vehicle on Earth. But neither stage would be recovered for the expendable first test flight to space. After separating from the Starship, the Super Heavy booster is expected to execute the beginnings of a controlled return flight before plunging into the Gulf of Mexico.

☆ China launches weather satellite, flights avoid no-fly zone to north of Taiwan
▼ + stars: | 2023-04-16 | by ( ) www.reuters.com time to read: +2 min

REUTERS/Ann WangBEIJING/TAIPEI, April 16 (Reuters) - China launched a weather satellite on Sunday as civilian flights altered their routes to avoid a Chinese-imposed no-fly zone to the north of Taiwan which Beijing put in place because of the possibility of falling rocket debris. The no-fly announcement rattled regional nerves as it followed shortly after China staged new war games around Taiwan, which Beijing views as sovereign Chinese territory. Flights to and from Taiwan and China, Taiwan and South Korea and Taiwan and Japan were amongst those detouring around the zone on Sunday morning, according to routes tracked on Flightradar24. The zone is in an area over the East China Sea slightly northeast of Taiwan that routinely sees heavy civilian flight traffic. China has denounced what it has called hype around China's space activities and an attempt to escalate confrontation across the Taiwan Strait.

☆ China denies imposing no-fly zone north of Taiwan
▼ + stars: | 2023-04-14 | by ( ) www.reuters.com time to read: +2 min

BEIJING, April 14 (Reuters) - China denied on Friday that it had imposed a no-fly zone in the seas north of Taiwan for Sunday, even though Taipei said it was told by Beijing that China would impose one. "I have noticed that there were previous reports pointing out that the no-fly zone was set up by the Chinese side, which is inaccurate. China's civil aviation authority will forewarn and issue notices in advance for any space activities, Wang said. The area covers busy flight routes between Taiwan and China and Taiwan and South Korea, among others. "Relevant parties in the mainland have issued advance notices and announcements of space activities affecting the airspace," said China's Taiwan Affairs Office in a statement on Friday.

☆ More layoffs may still come for tech workers
▼ + stars: | 2023-04-12 | by ( Emilia David | ) www.businessinsider.com time to read: +4 min

The tech sector has shed an estimated 330,000 jobs since last year, but my colleague Hasan Chowdhury writes that more cuts will likely come. Here's why tech workers have to brace for more layoffs. The AI arms race has pushed tech organizations to recruit AI talent from university programs aggressively. Google employees reportedly tried to stop Bard. Read Insider's exclusive on the cuts.

REUTERS/Florence LoWASHINGTON, April 10 (Reuters) - The leader of a U.S. congressional committee on China said on Monday he was concerned about electric carmaker Tesla Inc's (TSLA.O) dependency on China, a day after the company revealed plans to open a Megapack battery factory in Shanghai. Mike Gallagher, the Republican chair of the House of Representatives' select committee on China's Communist Party, said he would like to know how Tesla's CEO Elon Musk balances U.S. government support for Tesla and its operations in China. "I'm concerned about this," Gallagher told Reuters when asked about the battery factory. "Tesla seems entirely dependent, A, on the largesse of the federal government via tax breaks, and B, upon access to the Chinese market," Gallagher said. Tesla generated $18.15 billion in revenue from China last year, accounting for over one fifth of its total revenue.

☆ Webb telescope takes striking image of planet Uranus
▼ + stars: | 2023-04-07 | by ( Taylor Nicioli | ) edition.cnn.com time to read: +4 min

CNN —The James Webb Space Telescope has captured a new stunning image of ice giant Uranus, with almost all its faint dusty rings on display. Uranus has 13 known rings, with 11 of them visible in the new Webb image. A November Hubble image of Uranus (left) captured the planet's bright polar cap, while the recent Webb image displayed more detail, with a subtle enhanced brightness at the cap's center. With the exact mechanism behind the haze unknown, scientists are studying the polar cap using telescope images such as this new Webb image. In this new Webb image, similar to other recent images by the Hubble Space Telescope, storm clouds can be seen at the edge of the polar cap.

☆ A powerful 'X-class' solar flare just hit Earth. Forecasters are bracing for more sun activity in the coming days.
▼ + stars: | 2023-03-30 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +4 min

The sun blasted Earth with a powerful X-class solar flare on Tuesday, causing radio blackouts. Three more moderate solar flares followed, and we could see more eruptions in the coming days. This may be a precursor to even more solar activity in the coming days. NASA/SDOThat report forecast a chance of more M-class flares in the coming days, with a "slight chance" of another X-class flare on Thursday. More often, though, solar activity triggers energetic displays of Northern Lights, or aurora borealis, sometimes pushing them further south than their normal Arctic occurrence.

☆ Giant 'holes' dozens of times the size of our planet are appearing on the sun. Here's how they could affect Earth.
▼ + stars: | 2023-03-29 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +11 min

Two huge coronal holes, dozen of times the size of the Earth, have appeared on the sun. These coronal holes can spew solar winds at 1.8 million mph toward our planet, which can cause stunning auroras and disrupt satellites. Coronal holes aren't actually holes in the sunA coronal hole rotates across the face of the sun, streaming solar wind towards Earth, February 1, 2017. Coronal holes happen in the "corona," the atmosphere of the sun, and can only be seen in UV or X-ray light. We could see this month's coronal holes again next monthThe coronal hole came into view as the sun rotated.

☆ The solar system was hit with a gamma-ray burst so bright, it blinded scientists' equipment in space
▼ + stars: | 2023-03-29 | by ( Chris Panella | Jessica Orwig | ) www.businessinsider.com time to read: +5 min

Our solar system was hit by a gamma-ray burst so bright, it blinded space equipment and telescopes. A gamma-ray burst that recently hit our solar system was so bright, it temporarily blinded gamma-ray instruments in space, according to a NASA release. Scientists say the gamma-ray burst (GRB), the most powerful type of explosion in the universe, was 70 times brighter than any previously recorded event. What is a gamma-ray burst? Because it blinded space instruments, they couldn't accurately record it, so scientists weren't sure how bright the burst was when it first reached our planet.

NASA's Solar Dynamics Observatory captured a video of a tornado churning on the sun. The fiery formation of boiling solar plasma grew to an estimated height of 14 Earths. SDO/NASAThe magnetic structure that caused this tornado is actually a lot bigger than what we're seeing. As these move around the sun, they create magnetic fields that erupt through the solar surface. The sun is getting more activeA video from NASA's Solar Dynamics Observatory shows the massive hole in the sun's atmosphere.

The vernal or spring equinox of 2023 happens Monday, March 20. Technically, two things: Earth's tilted axis and the planet's orbit around the sun. How the spring equinox worksThe Earth orbits the sun once every 365 days and six hours. The spring equinox occurs when the sun's warming rays line up perpendicular to Earth's axial tilt:An illustration of the spring equinox. About 92 days and 19 hours after the spring equinox, the Earth will reach its summer solstice.

☆ SpaceX Cleared for Space-Station Crew Launch After Delay
▼ + stars: | 2023-03-02 | by ( Micah Maidenberg | ) www.wsj.com time to read: 1 min

Preparing for the launch of SpaceX’s Falcon 9 rocket and Crew Dragon spacecraft in Cape Canaveral, Fla., on Wednesday. SpaceX is slated to launch a crew to the International Space Station early Thursday, a makeup date for a mission that the company and NASA scrubbed earlier this week due to a technical issue. The delay was a rare hiccup in SpaceX’s work handling high-profile human space flights for the National Aeronautics and Space Administration. The Elon Musk-led rocket company has conducted six of those missions for NASA since 2020, when it blasted off the first astronauts from the U.S. in close to a decade.

☆ Explainer: What to expect during the green comet's encounter with Earth
▼ + stars: | 2023-01-30 | by ( Joey Roulette | ) www.reuters.com time to read: +3 min

Nicknamed "dirty snowballs" by astronomers, comets are balls of ice, dust and rocks that typically hail from the ring of icy material called the Oort cloud at our solar system's outer edge. One known comet actually originated outside the solar system - 2I/Borisov. Comets are composed of a solid core of rock, ice and dust and are blanketed by a thin and gassy atmosphere of more ice and dust, called a coma. Its greenish, emerald hue reflects the comet's chemical composition - it is the result of a clash between sunlight and carbon-based molecules in the comet's coma. NASA plans to observe the comet with its James Webb Space Telescope (JWST), which could provide clues about the solar system's formation.

☆ One year after volcanic blast, many of Tonga's reefs lay silent
▼ + stars: | 2023-01-15 | by ( Gloria Dickie | ) www.reuters.com time to read: +5 min

Coral reefs were turned to rubble and many fish perished or migrated away. Following the eruption, the Tongan government said it would seek $240 million for recovery, including improving food security. SILENT REEFSThe vast majority of Tongan territory is ocean, with its exclusive economic zone extending across nearly 700,000 square kilometres (270,271 square miles) of water. It is likely volcanic ash smothered many reefs, depriving fish of feeding areas and spawning beds. While volcanic eruptions on land eject mostly ash and sulfur dioxide, underwater volcanos jettison far more water.

☆ Here are Tuesday's biggest analyst calls: Apple, Exxon, Amazon, Boeing, Spotify, Microsoft & more
▼ + stars: | 2023-01-10 | by ( Michael Bloom | ) www.cnbc.com time to read: +7 min

Morgan Stanley downgrades Boeing to equal weight from overweight Morgan Stanley downgraded the stock mainly on valuation. Morgan Stanley names Taiwan Semiconductor a catalyst driven idea Morgan Stanley said it's bullish heading into the semiconductor company's earnings later this week "Comments on 2023 full-year guidance and semi cycle recovery are keys to watch. Morgan Stanley resumes Virgin Galactic as equal weight Morgan Stanley resumed coverage of the space flight company and says it has first mover advantage. Morgan Stanley reiterates Spotify as overweight Morgan Stanley said Spotify has several levers to pull and that it's a self-help story. JPMorgan reiterates Apple as overweight JPMorgan said it appears that iPhone lead times are moderating for Apple.

☆ UN says ozone layer slowly healing, hole to mend by 2066
▼ + stars: | 2023-01-09 | by ( The Associated Press | ) www.nbcnews.com time to read: +4 min

Earth’s protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says. “In the upper stratosphere and in the ozone hole we see things getting better,” said Paul Newman, co-chair of the scientific assessment. Natural weather patterns in the Antarctic also affect ozone hole levels, which peak in the fall. A third generation of those chemicals, called HFC, was banned a few years ago not because it would eat at the ozone layer but because it is a heat-trapping greenhouse gas. The report also warned that efforts to artificially cool the planet by putting aerosols into the atmosphere to reflect the sunlight would thin the ozone layer by as much as 20% in Antarctica.

☆ SpaceX Aims to Increase Launches as Rivals Prep New Rockets
▼ + stars: | 2023-01-09 | by ( Micah Maidenberg | ) www.wsj.com time to read: 1 min

SpaceX is pushing to increase its flight rate this year as competitors work to debut new vehicles for the launch market. The rocket-and-satellite company Elon Musk leads is aiming to conduct up to 100 orbital flights in 2023, Mr. Musk said in a tweet last August. That would represent a 64% jump compared with the 61 missions the company handled last year—itself the top number among private and government rocket launchers around the world, according to a new report from astrophysicist Jonathan McDowell, who tracks global space flight.

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