Planets aren’t the only celestial objects with moons – asteroids can have them too. They are usually other, smaller asteroids in orbit around a larger central one. Now, a team of Thai and French astronomers found an asteroid system with three satellites. The new four-body system makes complex gravitational problems like the three-body problem look simple by comparison.
Space News & Blog Articles
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'The Book of Boba Fett' season finale is pure 'Star Wars,' in all that's both good and bad
It's entirely possible we've just witnessed the single greatest moment in "Star Wars" history.
Northrop Grumman ready to launch space station resupply mission
A Northrop Grumman Antares rocket rolls out to its launch pad Feb. 15 at Wallops Island, Virginia. Credit: NASA/Brian Bonsteel
An Antares rocket and Cygnus spacecraft are set for launch Saturday on Northrop Grumman’s 17th resupply mission to the International Space Station, hauling more than 8,000 pounds of research experiments and cargo from a launch pad in Virginia.
Solar Orbiter spacecraft captures huge eruption on the sun (video)
It's the largest solar prominence eruption ever observed in a single image, along with the full disk of the sun.
As Temperatures Rise, Antarctica is Turning Green
The global climate is warming, and Earth’s polar regions are feeling the effects. A new study of the South Orkney Islands shows that the region has warmed significantly since the 1950s. The rise in warming in the South Orkneys exceeds the overall global warming.
Star twinkles 18 times in new James Webb Space Telescope image
The James Webb Space Telescope finished the first major stage in its long process of aligning the observatory's 18-segmented primary mirror.
Cosmonaut brains are 'rewired' by space missions, scientists find
In a new study, scientists show how cosmonaut brains adapt to space.
Astronauts snap stunning views of February's Full Snow Moon from space (photos)
Astronauts on the International Space Station captured stunning views of February's Full Snow Moon this week.
A Colossal Flare Erupted From the Far Side of the Sun
Earlier this week the Sun erupted with a huge explosion, blasting solar particles millions of kilometers into space. The team for the ESA/NASA Solar Orbiter spacecraft says the blast is the largest solar prominence eruption ever observed in a single image together with the full solar disc.
Astronomers spot remains of long-lost galaxy eaten by the Milky Way
The demolished galaxy crashed into our own 8 billion to 10 billion years ago.
Tokina atx-i 11-20mm f/2.8 CF review
An ultra-wide, ultra-sharp Nikon-fit crop sensor lens, the Tokina AT-X 11-20mm f/2.8 AF Pro DX is almost unbeatable in its class thanks to its rugged build, and minimal distortion
6 ways to save money on video games
As the cost of living continues to rise, we’ve put together a guide outlining 6 ways to save money on video games to keep your favorite hobby as pain-free as possible.
Book reviews for three guides to the stars and constellations
In this column, I'll provide reviews of three books that I consulted during my formative years in the hobby.
Save up to £70 on Celestron telescopes in these stellar deals at Wex Photo Video
Start stargazing and grab a great deal on a Celestron telescope in the process.
'Ghost particle' coming into focus: Scientists put upper limit on mass of neutrinos
Neutrinos are so small that scientists once thought they had no mass at all. Neutrinos do have mass, however, and physicists have now put a new upper limit on it: 0.8 electronvolts.
Getting ready for lunar orbit
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ESA astronaut Alexander Gerst visited Thales Alenia Space in Turin recently to test out and provide feedback on accommodations for the next human outpost in space, the lunar Gateway.
Jupiter
If Jupiter were the size of a basketball, Earth would be the size of a grape.
When the next interstellar object comes, James Webb Space Telescope will be there to study it
The next time a space rock races through the solar system from beyond, humans will be a little more prepared to unlock its secrets.
'Space Force' returns to Netflix for a 2nd season of high-flying hilarity
"Space Force" is one of an unprecedented number of quality sci-fi shows coming (or coming back) to the small screen this summer.
After a year on Mars, NASA's Perseverance rover is on course for big discoveries
NASA's Perseverance rover has been on Mars for a full year now, but in some ways the robot is just getting started.
