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How do stars die?

How do stars die?

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.A Hubble Space Telescope image of a nearby supernova remnant.(Image: © NASA/ESA/HEIC/The Hubble Heritage Team (STScI/AURA))Stars begin their lives when hydrogen fusion ignites in their dense, hot cores. Once that process starts, it's game on. The gravitational pull of all the mass of the star tries to squeeze it down into a tiny point, but the energy released by fusion pushes outward, creating a delicate balance that can persist for millions or even trillions of...

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Paul Sutter
4d ago
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Pluto's atmosphere gets its blue haze from icy organic compounds, study suggests

Pluto's atmosphere gets its blue haze from icy organic compounds, study suggests

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.NASA's New Horizons spacecraft captured this image of the blue haze around the dwarf planet Pluto during its historic flyby in 2015.(Image: © NASA/JHUAPL/SWRI/SPL)The haze shrouding might be made up of ice crystals possessing cyanide hearts, a new study finds.Hazes, which are made of tiny motes of dust, smoke, ice and other substances, are not unique to Earth — scientists have detected hazes enveloping , , and . Nor are hazes limited to planets. Saturn's largest moon...

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Charles Q. Choi
2d ago
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A neutron-star crash spotted 3 years ago is still pumping out X-rays. But why?

A neutron-star crash spotted 3 years ago is still pumping out X-rays. But why?

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.An artist's depiction of X-ray emissions forming the last afterglow of the high-energy jets produced by a neutron-star collision.(Image: © NASA's Goddard Space Flight Center/CI Lab)Three years ago, in a cataclysmic crash, the first such merger ever observed directly. Naturally, scientists kept their eye on it — and now, something strange is happening.Astrophysicists on Aug. 17, 2017, spotting for the first time ever signs of the same event in both a gravitational-wave...

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Meghan Bartels
3d ago
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SpaceX will launch its 1st Starlink satellites of 2021 on Tuesday. Here's how to watch.

SpaceX will launch its 1st Starlink satellites of 2021 on Tuesday. Here's how to watch.

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.A SpaceX Falcon 9 rocket launches the SXM-7 Sirius XM radio satellite into orbit on Dec. 13, 2020. The same rocket booster will launch on its eighth flight on Jan. 18, 2020 to deliver 60 Starlink internet satellites to orbit.(Image: © SpaceX)Editor's note: SpaceX has postponed the launch of its first Starlink mission of 2021 until Tuesday, Jan. 19, at 8:23 a.m. EST (1323 GMT) due to bad weather conditions at sea for its Falcon 9 rocket's landing. Due to unfavorable...

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Amy Thompson
3d ago
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SpaceX swapping out two engines on Starship SN9 prototype ahead of test flight

SpaceX swapping out two engines on Starship SN9 prototype ahead of test flight

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.SpaceX's SN9 Starship prototype performs its second static-fire test, on Jan. 13, 2021. Photo captured by SPadre.com.(Image: © SPadre.com via Twitter)SpaceX's latest prototype needs some maintenance work before it can take to the skies.On Wednesday (Jan. 13), the Starship SN9 prototype performed in rapid succession at SpaceX's South Texas site, firing up its three Raptor engines while the vehicle remained anchored to the ground.These brief burns were part of the...

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Mike Wall
5d ago
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'Bumblebee gravity' could explain why the universe is expanding so quickly

'Bumblebee gravity' could explain why the universe is expanding so quickly

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Bumblebee gravity could be proven true if scientists find that a black hole’s shadow is smaller than existing physics theories would predict.(Image: © Sophia Dagnello, NRAO/AUI/NSF (black hole); Imagezoo via Getty Images (bumblebee))Physicists have long assumed that the universe is pretty much the same in any direction, and now they've found a new way to test that hypothesis: by examining the shadow of a black hole.If that shadow is a wee bit smaller than existing...

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Paul Sutter
5d ago
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Astronaut William Thornton, who invented space shuttle treadmill, dies at 91

Astronaut William Thornton, who invented space shuttle treadmill, dies at 91

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.NASA astronaut William Thornton, STS-8 mission specialist, takes part in physiological studies on the space shuttle Challenger during his first of two spaceflights in 1983.(Image: © NASA)Former , who used his own inventions to measure and combat the ill-effects of microgravity while on board two space shuttle missions, has died at the age of 91.Thornton's death was reported by NASA on Thursday (Jan. 14)."NASA is saddened to learn of the loss of former...

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Robert Z. Pearlman
5d ago
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Japanese asteroid-sampling probe begins long trek to next space rock

Japanese asteroid-sampling probe begins long trek to next space rock

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.An artist's depiction of the Hayabusa2 spacecraft after inserting its capsule into Earth's atmosphere for sample delivery.(Image: © JAXA)Japan's didn't rest on its laurels for long.On Dec. 5, the probe containing pristine samples of the carbon-rich asteroid Ryugu to Earth. Now, just a month later, the probe is officially on the move toward another asteroid, in the early stages of an ambitious and protracted ."[Ion engine operation begins!] Today on January 5, 2021, at...

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Mike Wall
Jan 11
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NASA will test-fire its 1st SLS megarocket for moon missions today. Here's how to watch.

NASA will test-fire its 1st SLS megarocket for moon missions today. Here's how to watch.

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Update for 9:48 pm: NASA test-fired its first Space Launch System core booster Saturday, but the trial did not go as planned. NASA will attempt to fire the engines on its (SLS) megarocket for the first time today and you can watch the fiery action live online.As part of a critical test before the rocket behemoth  lifts off for the first time, the agency plans to this at about 5 p.m. EST (2200 GMT) today, Jan. 16. The test, which is designed to simulate the core...

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Amy Thompson
5d ago
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Critical engine test for NASA's Space Launch System megarocket shuts down earlier than planned

Critical engine test for NASA's Space Launch System megarocket shuts down earlier than planned

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.NASA fired up the core stage of its massive new rocket — the (SLS) — on Saturday (Jan. 16) in a critical test that ended prematurely when the booster's engines shut down earlier than planned. Smoke and flames billowed from the four RS-25 engines that power the behemoth rocket's core booster, a centerpiece of NASA's Artemis moon program, as it roared to life atop a test stand at NASA's near Bay St. Louis, Mississippi. Ignition occurred at 5:27  EST (2227 GMT), with...

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Amy Thompson
4d ago
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NASA's InSight Mars lander may 'hear' Perseverance rover's landing next month

NASA's InSight Mars lander may 'hear' Perseverance rover's landing next month

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Artist's illustration of NASA's Mars rover Curiosity landing via sky crane in August 2012. NASA's Mars 2020 rover Perseverance will land in the same fashion on Feb. 18, 2021.(Image: © NASA/JPL-Caltech)The landing of NASA's next month will make serious waves, some of which may help scientists better understand the Red Planet's structure.Perseverance, the centerpiece of NASA's $2.7 billion life-hunting, sample-caching Mars 2020 mission, is scheduled to touch down inside...

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Mike Wall
Jan 13
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SpaceX's Starship SN9 prototype fires up rocket engines three times in one day

SpaceX's Starship SN9 prototype fires up rocket engines three times in one day

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.SpaceX's newest prototype blazed to life a whopping three times today (Jan. 13), apparently keeping the vehicle on track for a high-altitude test flight in the near future.The three-engine SN9 vehicle performed its second, third and fourth "static fire" tests in quick succession today (Jan. 13) at SpaceX's South Texas facilities, near the Gulf Coast village of Boca Chica. The engines lit up briefly at 1:28 p.m. EST (1828 GMT), again at 3:22 p.m. EST (2022 GMT) and...

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Mike Wall
Jan 13
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Virgin Orbit now targeting Sunday for 1st spaceflight

Virgin Orbit now targeting Sunday for 1st spaceflight

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Virgin Orbit's carrier plane, Cosmic Girl, hauls the company's LauncherOne rocket aloft on the Launch Demo mission on May 25, 2020. LauncherOne did not reach orbit on the flight.(Image: © Virgin Orbit via Twitter)We'll have to wait until this weekend to see take another crack at reaching space.The company is now targeting Sunday (Jan. 17) for Launch Demo 2, its second attempt to reach orbit with its air-launched .  (The booster didn't make it on its first try, which...

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Mike Wall
Jan 13
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Astronomers spot the fastest spinning magnetar ever seen

Astronomers spot the fastest spinning magnetar ever seen

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Far-off in the Milky Way galaxy, 21,000 light-years from Earth, astronomers have spotted the fastest-spinning magnetar (and possibly youngest, too) ever seen. And that's just the start of what makes this star strange.  are a unique type of , which are the collapsed cores of supergiant stars that died in supernova events. What sets magnetars apart from other neutron stars is that they possess extremely powerful magnetic fields — he most powerful ones in the known...

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Chelsea Gohd
Jan 12
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It's really there! Kepler space telescope's 2nd-ever exoplanet candidate finally confirmed.

It's really there! Kepler space telescope's 2nd-ever exoplanet candidate finally confirmed.

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.This artist's illustration shows the exoplanet KOI-5Ab transiting across the face of a sunlike star, which is part of a triple-star system located 1,800 light-years away in the constellation Cygnus.(Image: © Caltech/R. Hurt (IPAC))A newfound exoplanet is a real blast from the past.Astronomers just confirmed the existence of KOI-5Ab, which was first flagged as a potential planet by NASA's pioneering way back in 2009. The elusive alien world was the second "candidate"...

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Mike Wall
Jan 12
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Scientists are getting closer in race to find gravitational wave background and dark matter

Scientists are getting closer in race to find gravitational wave background and dark matter

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Researchers used pulsars shown in the inset to calculate dark matter's affect on how stars move within the Milky Way.(Image: © IAS; Dana Berry)Astronomers may be getting closer to discovering as-yet hidden cosmic secrets, such as the nature of dark matter and the presence of widespread distortions in space-time, researchers reported at the 237th , held virtually this week.The existence of dark matter, an the invisible substance thought to make up more than four-fifths...

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Charles Q. Choi
Jan 12
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This transforming NASA rover can go places others could only dream of

This transforming NASA rover can go places others could only dream of

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.A new "transforming" rover in development at NASA will be able to explore rough terrain unlike any rover before it. DuAxle (short for dual-Axel) gets its name because it’s made of a combination of a pair of two-wheeled . The Axel rover is a simple, two-wheeled rover with a long tether that connects to a larger vehicle and stabilizes the rover as it descends into and explores craters that other rovers would not be able to handle. The Axel is equipped with a robotic arm...

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Kasandra Brabaw
Jan 11
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Sunquakes likely triggered deep beneath solar surface

Sunquakes likely triggered deep beneath solar surface

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.The sun, as seen by NASA's powerful Solar Dynamics Observatory spacecraft.(Image: © NASA/SDO/AIA/LMSAL)Scientists have uncovered new details about the mysterious origin of seismic activity on the sun during solar flares.The sun intermittently unleashes electromagnetic energy in bright, sudden explosions known as . In the wake of such an event, scientists have observed seismic activity, also known as sunquakes, which release acoustic energy in the form of waves that...

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Samantha Mathewson
Jan 8
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A mysterious 'wobble' is moving Mars' poles around

A mysterious 'wobble' is moving Mars' poles around

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Mars and its two moons, Phobos and Deimos(Image: © NASA/ JPL)The Red Planet is wiggling and wobbling as it spins, research in the journal confirms, and astronomers have no idea why.Like a toy top that teeters as it loses speed, the poles of are wandering ever-so-slightly away from the planet's axis of rotation, moving about 4 inches (10 centimeters) off-center every 200 days or so, researchers reported in a study published Oct. 13, 2020. That makes Mars only the...

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Brandon Specktor
Jan 10
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China plans to launch core module of space station this year

China plans to launch core module of space station this year

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Artist's illustration of China's Earth-orbiting space station, which the nation plans to assemble by the end of 2022.(Image: © China Manned Space)The milestones are coming fast and furious for China's space program.The robotic Chang'e 5 mission successfully in mid-December, something that hadn't been done since 1976. China's first fully homegrown Mars mission, Tianwen-1, is scheduled to . And shortly after that, the nation plans to begin assembling its space station...

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Mike Wall
Jan 7
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Baby Yoda lands in Minecraft Star Wars DLC

Baby Yoda lands in Minecraft Star Wars DLC

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.A range of "" stories from a galaxy far, far away landed recently in the epic building game, Minecraft— including some with Baby Yoda.A new downloadable content (DLC) package called "" landed in the Minecraft Marketplace a short while ago, according to Minecraft.net. A shows several worlds of fun awaiting long time "Star Wars" fans. A Baby Yoda makes a cameo appearance, in a nod to the ongoing Season 2 of "The Mandalorian" on Disney Plus. The Millennium Falcon has a...

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Elizabeth Howell
Jan 9
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NASA spacecraft reveals travels of China's Yutu 2 rover on far side of the moon

NASA spacecraft reveals travels of China's Yutu 2 rover on far side of the moon

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.China's Yutu 2 rover just turned two years old, and NASA's has kept a sharp eye on its movements during its mission on the far side of the moon.While China's sample-return mission has been basking in the lunar limelight, the Chang'e 4 mission was also back in action. launched to the moon in May 2018 and deployed the Yutu 2 rover to the lunar surface on Jan. 3, 2019. The sun rose over Von Kármán crater on Dec. 7, meaning the solar-powered lander and Yutu 2 rover were...

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Andrew Jones
Jan 6
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Defending Earth against dangerous asteroids: Q&A with NASA's Lindley Johnson

Defending Earth against dangerous asteroids: Q&A with NASA's Lindley Johnson

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Target Earth: This illustration shows a space rock approaching Earth, perhaps headed for destructive impact on our world.(Image: © DoD)It's a cosmic roll of the dice. There's no doubt that a major or comet strike could cause extensive devastation and profoundly affect life on Earth. The largest hit in recent times was the object that exploded over Tunguska, Siberia, in June 1908 with an energy impact of five to 15 megatons. Then there was that spectacular and...

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Leonard David
Jan 5
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India plans to build reusable rockets in the next decade (report)

India plans to build reusable rockets in the next decade (report)

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.An Indian Polar Satellite Launch Vehicle lifts off from the Satish Dhawan Space Center in Sriharikota.(Image: © IANS/ISRO)India is getting into the reusable rocket game. The (ISRO) has revealed plans to develop reusable rocket-launch technology this decade, . In a "," ISRO Chairman K. Sivan announced the agency's goals for the 2020s within the context of the growing space industry. The "space sector is facing disruption due to the entry of many private players," Sivan...

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Chelsea Gohd
Jan 7
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The Stingray nebula is fading fast, Hubble telescope photos reveal

The Stingray nebula is fading fast, Hubble telescope photos reveal

TrendingSpace is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.Photos from NASA's show the stunning Stingray nebula fading at an unprecedented rate. The Stingray nebula, formally known as Hen 3-1357, is the youngest known in our sky. However, Hubble images taken 20 years apart show a dramatic change in the nebula's shape and brightness: Its once robust, bright blue clouds of interstellar dust and gas have nearly disappeared, according to a statement from NASA. "This is very, very dramatic, and very weird," Martín A. Guerrero, an...

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Samantha Mathewson
Jan 8
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