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☆ Petermann Glacier in Greenland is melting away with the tide, which could signal faster sea level rise, study finds
▼ + stars: | 2023-05-08 | by ( Brandon Miller | Cnn Meteorologist | ) edition.cnn.com time to read: +2 min

CNN —A major glacier in northwest Greenland is interacting with the ocean tides, scientists reported Monday, resulting in previously unaccounted-for melting and potentially faster sea level rise. This is an important finding: The traditional view among scientists was that the grounding line did not migrate with the tides – and this introduces another major source of melting that could be accelerating sea level rise. Between 2016 and 2022, warmer tidal cycles melted a 670-foot-tall hole in the underside of the glacier along the grounding line — big enough that two Statues of Liberty could be stacked on top of one another inside it. The study raises more concerns for the already worrisome prospect of sea level rise, which threatens coastlines around the world. Greenland’s melting ice is the single largest contributor to sea level rise, according to NASA, which has been accelerating in recent years.

☆ Astronomers spot a sneak peek of Earth's death — a star swallowing a planet whole — for the first time
▼ + stars: | 2023-05-03 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +7 min

Astronomers discovered a distant star swallowing a planet for the first time ever. Swallowing the planet whole produced a burst of energy that expelled the star's outer layers, causing it to expand and brighten rapidly. Except for a veneer of dust, the star pretty much looked the same as it had before, one year after devouring its planet. The distant planet that just got absorbed by its star was about the size of Jupiter, which is more than 1,300 Earths. (It later turned out, this pre-eruption dust was material from the planet skimming the atmosphere of the star as it orbited closer and closer.)

☆ Voyager 2 has been in space for 45 years. NASA just found a way to keep it alive for another 3, despite it being 12 billion miles from Earth.
▼ + stars: | 2023-04-28 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +4 min

NASA has hacked a backup source of power to keep Voyager 2 working. Today, the probes are traveling in interstellar space, 12 and 14 billion miles away from Earth. NASA/JPL-CaltechNASA hacked the ancient probe's power systemA space simulator replica of the Voyager probes is shown here pictured in 1976 NASA/JPL-CalTechThe probes are powered by generators that convert heat from decaying plutonium into electricity. One of Voyager 1's instruments previously malfunctioned, which means the probe has not been using up as much power as Voyager 2. The decision to switch off instruments for Voyager 1 will be made next year, according to the space agency.

☆ Up-close photos of the Martian moon, Deimos, are forcing scientists to rethink how it formed in the first place
▼ + stars: | 2023-04-25 | by ( Marcia Dunn | Associated Press | ) www.businessinsider.com time to read: +3 min

The United Arab Emirates' Amal spacecraft recently flew within 62 miles (100 kilometers) of Deimos. Deimos is a tiny Martian moon that was thought to be a captured asteroid from space. But new close-up photos from the Amal spacecraft suggest its origins are closer to home. The United Arab Emirates' Amal spacecraft flew within 62 miles (100 kilometers) of Deimos last month and the close-up shots were released Monday. Instead, they say the moon appears to be of Martian origin — perhaps from the bigger Martian moon or from Mars itself.

☆ NASA detects first seismic waves within Mars' core
▼ + stars: | 2023-04-24 | by ( Ashley Strickland | ) edition.cnn.com time to read: +5 min

During these events, InSight detected for the first time seismic waves traveling through the Martian core. “More than a hundred years later, we’re applying our knowledge of seismic waves to Mars. With InSight, we’re finally discovering what’s at the center of Mars and what makes Mars so similar yet distinct from Earth.”The NASA InSight Mars lander studied the interior of Mars for four years. Planetary core offers clues on evolutionEarth has a liquid outer core and a solid inner core, but the Martian core appears to be made entirely from liquid. “We’ve made the very first observations of seismic waves travelling through the core of Mars.

☆ Ingenuity helicopter aces 50th flight on Mars
▼ + stars: | 2023-04-14 | by ( Ashley Strickland | ) edition.cnn.com time to read: +5 min

During its 50th flight, Ingenuity traveled over 1,057 feet (322.2 meters) in 145.7 seconds and achieved a new altitude record of 59 feet (18 meters). Since arriving on Mars with the Perseverance rover in February 2021, Ingenuity has flown for more than 89 minutes and 7.1 miles (11.6 kilometers). “When we first flew, we thought we would be incredibly lucky to eke out five flights,” said Teddy Tzanetos, Ingenuity team lead at NASA’s Jet Propulsion Laboratory, in a statement. The rotorcraft has faced numerous challenges since it first detached from the belly of the Perseverance rover more than two years ago. The rover team has a job to do and a schedule to keep.

☆ China could start building a moon base with lunar-soil bricks in 5 years, amid NASA fears of a moon territory dispute
▼ + stars: | 2023-04-13 | by ( Marianne Guenot | Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +6 min

China could be ready to start building its lunar base within five years, scientists said. China has made major strides in space exploration, recently launching its own crewed space station. "We will be using real moon soil to make the first brick right there on the moon," he added, per SCMP. These could be used to make habitats on the moon using traditional Chinese building techniques, he said. The agency wants to build its own station orbiting the moon, as well as an Artemis lunar base.

☆ Adam Driver asked NASA how it plans to save Earth from world-ending asteroids
▼ + stars: | 2023-03-23 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +5 min

Don't worry about such a large asteroid — an extinction-level space rock — approaching Earth anytime soon, NASA astronomer Kelly Fast was quick to clarify. NASA is studying and tracking down near-Earth asteroidsFast added that NASA's approach to any asteroid would depend on the asteroid's size and composition. Another NASA mission, called Osiris-Rex, landed on the surface of an asteroid in 2020 and scooped up its rocky space dust. Even though Driver and Fast didn't discuss that mission, the actor seemed impressed with NASA's efforts. "Thank you for your work in keeping the planet safe from world-ending asteroids plummeting into our planet," Driver said.

☆ The Earth has tilted on its axis differently over the last few decades due to melting ice caps
▼ + stars: | 2023-03-21 | by ( Aylin Woodward | Marianne Guenot | ) www.businessinsider.com time to read: +7 min

Earth's axis — the invisible line around which it spins — is bookended by the north and south poles. But their geographic locations aren't fixed: As the Earth's axis moves, so do the poles. If you average out thousands of years of observation the Earth's axis points in a single direction — toward the North Star, also known as Polaris. The recent change to Earth's axis won't affect our everyday lives, but it could slightly tweak the length of our days. But let's be clear that this would be a tiny, tiny, tiny effect," he said.

☆ Image from NASA's James Webb Space Telescope reveals a rare star preparing to explode and die in a supernova
▼ + stars: | 2023-03-14 | by ( Morgan Mcfall-Johnsen | Jessica Orwig | ) www.businessinsider.com time to read: +3 min

NASA's James Webb Space Telescope captured a star getting ready to die in stunning detail. The image shows a rare Wolf-Rayet star, expelling its outer layers in the phase before a supernova. A Wolf-Rayet star is "among the most luminous, most massive, and most briefly-detectable stars known," according to NASA. Webb helps investigate a dusty cosmic mysteryThat cosmic dust is of great interest to astronomers. An artist's conception of the James Webb Space Telescope.

☆ How to see the Venus and Jupiter conjunction, when the two brightest planets align in the sky
▼ + stars: | 2023-03-01 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +3 min

Jupiter and Venus will appear to almost touch in the night sky on Wednesday and Thursday. They're the brightest objects in the sky after the sun and moon, so they're visible to the naked eye. In fact, Venus is the third brightest object in the sky after the sun and moon. How to spot Jupiter and Venus in the skyJupiter (left) and Venus (right) are two of the brightest objects in the sky. They'll creep away from each other night after night, Venus rising and Jupiter dropping toward the horizon and the sun.

☆ NASA imagery reveals China's Mars rover hasn't moved in months as Chinese scientists scramble to save the mission
▼ + stars: | 2023-03-01 | by ( Chris Panella | Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +5 min

NASA imagery from Mars shows that China's rover hasn't moved in months. Chinese scientists are scrambling to make contact, according to the South China Morning Post. China's rover, Zhurong, could be covered in dust and drained of energy, like NASA's InSight lander. Arrows highlight the location of China's Zhurong rover in March 2022, September 2022, and February 2023. A photo showing the back of China's Zhurong rover from its landing spot on Mars' Utopia Planitia following a May 15, 2021 landing.

☆ 5 times scientists thought they'd maybe discovered signs of extraterrestrial life but sadly didn't
▼ + stars: | 2023-02-23 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +7 min

Extraterrestrial life could exist, but mysterious objects in the sky aren't evidence of aliens. Scientists have thought they were close to discovering alien life a few times — none of it via UFOs. As the US discovered a flurry of UFOs — officially called "unidentified anomalous phenomena," or UAPs — in early February, Google searches for "extraterrestrial life" and "are aliens real" spiked. There have been incidents in the past where some researchers thought they'd come close to discovering signs of alien life — or even extraterrestrial intelligence — but none were UFOs. They dubbed the first interstellar object 'Oumuamua, which is a Hawaiian term meaning "a messenger from afar arriving first."

☆ The UFO shoot-downs show the hardest part of discovering alien life may be announcing it. Here's how NASA might break the news.
▼ + stars: | 2023-02-18 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +9 min

Extraterrestrial life likely wouldn't show up as flying objects, but finding it could cause similar chaos. An illustration of the CoLD scale for determining confidence in a detection of alien life. The president or other countries could be involved in announcing extraterrestrial life existsPresident Joe Biden speaks at Delaware State University. Anna Moneymaker/Getty ImagesAnnouncing the existence of alien life would be an "administration-level" affair, Glaze said, referring to the US presidency. Needless to say, any discovery of alien life would likely lead to chaos — at least in public discourse.

☆ I used to work on Mars rovers and now I develop self-driving cars. Here's how I made the pivot from NASA's JPL to Amazon's Zoox.
▼ + stars: | 2023-01-22 | by ( Alexa St. John | ) www.businessinsider.com time to read: +8 min

The former supervisor at NASA's Jet Propulsion Lab now works at AV startup Zoox. I figured after all the startups, why not work for a big company, and what better big company than NASA? ZooxThe AV space is the next frontier of robotics. What we're trying to do here in the AV space, it's extremely multidisciplinary. You're doing perception, you're doing planning, you're doing prediction, doing simulation.

☆ Why we love to anthropomorphize space-faring robots
▼ + stars: | 2023-01-22 | by ( Paola Rosa-Aquino | ) www.businessinsider.com time to read: +7 min

We know Mars rovers are robots, but they feel like friends, or pets. "It's the way the rovers are designed," Abigail Freeman, the deputy project scientist of the Curiosity rover, told Insider. The first selfie NASA's Opportunity Mars rover snapped. Their ability to snap selfies on the Martian surface make them seem self-awareNASA's Curiosity Mars rover created this selfie in front of Mont Mercou. On February 12, 2019, mission controllers at NASA’s Jet Propulsion Laboratory in Pasadena, California, sent the last commands to ask NASA’s Opportunity rover on Mars to call home.

☆ I pilot NASA's first and only Mars helicopter. My job can be like a video game, but not the kind with a joystick.
▼ + stars: | 2023-01-21 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +11 min

Håvard Grip pilots NASA's Ingenuity helicopter, which has flown 40 times on Mars. I'm the chief pilot for NASA's Ingenuity helicopter, which landed on Mars with the Perseverance rover in February 2021. NASA's Ingenuity helicopter on Mars, in a close-up from the Perseverance rover's cameras. Members of NASA's Ingenuity Mars Helicopter team stand next to the Collier Trophy. How we fly a helicopter on MarsMembers of NASA's Ingenuity Mars Helicopter team at the agency's Jet Propulsion Laboratory react to data showing that the helicopter completed its second flight.

☆ How exoplanet hunters find alien worlds hundreds of light-years away and figure out if they have water
▼ + stars: | 2023-01-12 | by ( Paola Rosa-Aquino | ) www.businessinsider.com time to read: +6 min

In the journal Nature Astronomy, astronomers announced that the two exoplanets — Kepler-138 c and Kepler-138 d — could be made up of mostly water. NASA AmesSince the first worlds outside our solar system were discovered in 1992, astronomers have searched for other planets orbiting sun-like stars. Astronomers have already captured direct evidence of 5,241 planets beyond our solar system, according to NASA's Exoplanet Archive. Water worlds beyond our solar system could be abundant in the universeWorlds rich in liquid water might not be as rare as astronomers previously thought, Piaulet said. But by discovering and studying new worlds, astronomers can hone in on what makes a world habitable beyond a sample size of one — Earth.

☆ It should take another 300 years for NASA's Voyager 1 probe to reach the most distant region of our solar system. Until then, it's cruising through the void between the stars.
▼ + stars: | 2022-12-30 | by ( Paola Rosa-Aquino | ) www.businessinsider.com time to read: +4 min

Voyager 1 and 2 are exploring the mysterious region between stars, called interstellar space. Both plucky spacecraft continue to send data back from beyond the solar system — and their cosmic journeys are far from over. A diagram showing both of NASA's Voyager probes in interstellar space as of November 2018. An illustration of the Kuiper Belt and Oort Cloud in relation to our solar system. NASA/JPL-CaltechFor the last decade, Voyager 1 has been exploring interstellar space, which is full of gas, dust, and charged energetic particles.

☆ NASA hasn't heard from its InSight lander in 5 days. It may have run out of power and died on Mars.
▼ + stars: | 2022-12-20 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +9 min

NASA's InSight lander on Mars isn't responding to communications from Earth, likely due to low power levels. The solar arrays on NASA's InSight lander are deployed for a test at Lockheed Martin Space Systems, Denver, on April 30, 2015. An illustration of the InSight Mars lander. An artist illustration of the InSight lander on Mars. Then they instructed the robot to scoop up dirt and slowly trickle it next to the solar panels.

☆ SpaceX rocket launches world's first global water survey mission
▼ + stars: | 2022-12-16 | by ( Steve Gorman | ) www.reuters.com time to read: +3 min

The upper stage of the two-stage rocket was expected to reach its initial orbit about 530 miles (850 km) above Earth within minutes. Its payload, the Surface Water and Ocean Topography satellite, or SWOT, incorporates advanced microwave radar technology to collect high-definition measurements of oceans, lakes, reservoirs and rivers over 90% of the globe. Components of the SUV-sized satellite were built primarily by NASA's Jet Propulsion Laboratory (JPL) and French space agency CNES. SWOT's ability to discern smaller surface features also will help study the impacts of rising ocean levels on coastal areas. Reporting by Steve Gorman in Los Angeles; Editing by Lisa Shumaker and John StonestreetOur Standards: The Thomson Reuters Trust Principles.

A NASA spacecraft is set to swing past one of Jupiter’s moons on Thursday, giving astronomers a close-up view of one of the most volcanic spots in the solar system. The Juno probe, which has been orbiting Jupiter since July 2016, is set to conduct a flyby of Io, one of the 80 known moons in Jupiter’s system. Over the course of the next year and a half, the Juno spacecraft will carry out a total of nine flybys of Io. NASA / JPL-CaltechEarlier this year, Juno captured a dramatic view of Io from a distance of around 50,000 miles. Last year, NASA extended the Juno mission through September 2025.

☆ NASA spacecraft heads for the most volcanic place in the solar system
▼ + stars: | 2022-12-14 | by ( Ashley Strickland | ) edition.cnn.com time to read: +4 min

CNN —A NASA spacecraft is gearing up for the first of a series of close encounters with the most volcanic place in the solar system. The Juno spacecraft will fly by Jupiter’s moon Io on Thursday, December 15. Juno captured a glowing infrared view of Io on July 5 from 50,000 miles (80,000 kilometers) away. “The team is really excited to have Juno’s extended mission include the study of Jupiter’s moons. Juno flew by Jupiter’s moon Ganymede in 2021, followed by Europa earlier this year.

☆ NASA fixed a glitch on Voyager 1 after consulting 45-year-old manuals. The spacecraft was beaming information through a dead computer.
▼ + stars: | 2022-12-13 | by ( Paola Rosa-Aquino | ) www.businessinsider.com time to read: +6 min

In May, NASA reported its Voyager 1 spacecraft was sending strange data back to Earth. An engineer works on an instrument for one of NASA's Voyager spacecraft, on November 18, 1976. NASA/JPL-CaltechDuring the first 12 years of the Voyager mission, thousands of engineers worked on the project, Dodd said. In late August, Voyager engineers located the source of the garbled data: the spacecraft's attitude-control system was routing information through a dead computer. NASA/JPLFrom discovering unknown moons and rings to the first direct evidence of the heliopause, the Voyager mission has helped scientists understand the cosmos.

☆ Listen to Martian weather, recorded by Perseverance rover
▼ + stars: | 2022-12-13 | by ( Ashley Strickland | ) edition.cnn.com time to read: +7 min

Other missions have gathered images, weather data and dust measurements of these events, and the NASA InSight lander even recorded seismic and magnetic signals created by the dust devils. The Perseverance rover took a selfie over a rock nicknamed "Rochette" on September 10, 2021. While this sounds like a massive whirlwind, it’s the average size for Martian dust devils, Murdoch said. This figure shows the size of the dust devil in relation to the Perseverance rover. From its perch high on a ridge, Opportunity recorded this image of a Martian dust devil.

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