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Scientists may have narrowed down the landing site of the Soviet Union's Luna 9, which in 1966 became the first spacecraft to touch down softly on the moon.
Everybody knows that galaxies are large structures made of stars. That's a simple definition, and ignores the fact that galaxies also contain gas, dust, planets, moons, comets, asteroids, etc., and of course, dark matter. But one type of galaxy is mostly made of dark matter, and they're difficult to detect.
SpaceX will land a rocket in The Bahamas for the second time ever today (Feb. 19), and you can watch the action live.
Lego Star Wars Venator-Class Republic Attack Cruiser is the best on the market.
Beijing sparkles with Lunar New Year celebrations.
For the first time, an international team of astronomers have mapped the vertical structure of Uranus’s upper atmosphere, uncovering how temperature and charged particles vary with height across the planet. Using NASA/ESA/CSA James Webb Space Telescope's NIRSpec instrument, the team observed Uranus for nearly a full rotation, detecting the faint glow from molecules high above the clouds. The results offer a new window into how ice-giant planets distribute energy in their upper layers.
The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could provide a fossil record of how supermassive black hole growth in the early universe.
Lunar dust remains one of the biggest challenges for a long-term human presence on the Moon. Its jagged, clingy nature makes it naturally stick to everything from solar panels to the inside of human lungs. And while we have some methods of dealing with it, there is still plenty of experimentation to do here on Earth before we use any such system in the lunar environment. A new paper in Acta Astronautica from Francesco Pacelli and Alvaro Romero-Calvo of Georgia Tech and their co-authors describes two types of flexible Electrodynamic Dust Shields (EDSs) that could one day be used in such an environment.
By bringing gravity into the equation, we can focus on effective strategies for managing IBS in space and on Earth.
Today's (Feb. 19) wet dress rehearsal will determine if SLS is ready to fly.
The European Space Agency (ESA) is preparing for the inaugural launch of the Celeste LEO-PNT in-orbit demonstration mission with the first two satellites scheduled to lift off no earlier than 24 March, aboard Rocket Lab’s Electron rocket from the company’s Māhia Launch Complex in New Zealand.
"This data provides us with rare insight into how galaxies were transformed in the early universe."
Sam Rockwell rocks as a mad time traveler saving the world from a rogue AI in Gore Verbinski's new film "Good Luck, Have Fun, Don't Die."
Plus NOAA's GOES-19 satellite spies the lunar disk crossing the face of our parent star.
The Bahamas has given SpaceX permission to resume rocket landings in the country, which were paused last year after a Starship test flight explosion caused a debris shower.
Just a few hundred light-years from Earth, the famous variable star Mira A is huffing and puffing its outer layers to space. Its most recent mass-loss event ejected more material at higher velocity than in past events. A team of astronomers led by Theo Khouri of Chalmers University in Sweden discovered two large asymmetrical clouds of material expanding away from Mira A.
If a pair of black holes coalesce into one, much of that vast energy can be released in a few seconds.
Traversing the galaxy from places yet known, a few interstellar objects have taken a quick dip into our solar system. Astronomers look to nearby planet-forming stellar systems as possible launching posts.
There’s been plenty in the news about 3I/ATLAS over the course of the past 8 months. Our third confirmed interstellar visitor went behind the Sun during its closest approach, but reemerged in December with plenty of eyes watching it. Papers describing what it looks like following its closest brush with the power of a star in probably billions of years are starting to come out, including a new one available in pre-print on arXiv from Carey Lisse of Johns Hopkins University and his co-authors, which shows how much the comet - and it is definitely a comet - has changed in the matter of only a few months.
Astronomers know that supermassive black holes (SMBH) can inhibit star formation. These behemoths, which seem to be present in the center of large galaxies like ours, inject energy into their surroundings, heating up star-forming gas. Gas needs to be cool to collapse and form stars, so active SMBH put a damper on the process.
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