Large galaxies like ours are hosts to Supermassive Black Holes (SMBHs.) They can be so massive that they resist comprehension, with some of them having billions of times more mass than the Sun. Ours, named Sagittarius A* (Sgr A*), is a little more modest at about four million solar masses.
Space News & Blog Articles
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Starliner Comes Home Empty
The Boeing Starliner module has been plagued with issues despite what seemed to be the dawning of a new commercial space giant. The module detached from the International Space Station on 7 September but without its crew! Butch Wilmore and Suni Williams journeyed to the ISS in June this year in what was supposed to be a mission lasting just a week. They are still there! Just a few days ago, their module returned under remote control while they stay in orbit until February!
What Did We Learn From Manufacturing the ACS3 Solar Sail Mission?
We recently reported on the successful deployment of the solar sail of the Advanced Composite Solar Sail System (ACS3) technology demonstration mission. That huge achievement advances one of the most important technologies available to CubeSats – a different form of propulsion. But getting there wasn’t easy, and back in May, a team of engineers from NASA’s Langley Research Center who worked on ACS3 published a paper detailing the trials and tribulations they went through to prepare the mission for prime time. Let’s take a look at what they learned.
Watch 1st look clip from 'Star Trek: Lower Decks' Season 5 (video)
Watch new exclusive clip for Season 5 of "Star Trek: Lower Decks," the final season of Paramount+'s sci-fi comedy animated series that premieres Oct. 24.
Space MacGyver: NASA astronaut and inventor Don Pettit eager to return to ISS on Sept. 11
NASA's oldest active astronaut, Don Pettit, is set to return to space on Sept. 11. In his spare ISS time, he is known for stunning photography and tinkering with engineering.
These 2 monster black holes may be the closest pair ever discovered (video)
The tag team of NASA space telescopes Hubble and Chandra has demonstrated that two is definitely better than one when it comes to pairings of supermassive black holes and hunting for them.
A Stellar Flyby Jumbled Up the Outer Solar System
An ancient passerby may have visited the Sun and inadvertently helped shape the Solar System into what it is today. It happened billions of years ago when a stellar drifter came to within 110 astronomical units (AU) of our Sun. The effects were long-lasting and we can see evidence of the visitor’s fleeting encounter throughout the Solar System.
Legendary actor and 'Star Wars'' voice of Darth Vader, James Earl Jones dies at 93
An obituary for legendary actor James Earl Jones.
Want to get into Warhammer 40K? Here's what you need to know before playing Space Marine 2
Warhammer 40K: Space Marine 2 is out now. If you don't know anything about the universe or haven't played the original, we've got you covered.
Amateur Astronomer Discovers More Near-Earth Asteroids With Remote Telescopes
Three amazing recent asteroid finds show what’s possible in terms of astronomy online.
Satellites watch Tropical Storm Francine threaten Gulf Coast (video)
Satellites operated by the U.S. National Oceanic and Atmospheric Administration watched Tropical Storm Francine strengthen as it approaches the Gulf Coast.
China moves Mars sample-return launch up 2 years, to 2028
China has moved the launch of its Tianwen 3 Mars sample return mission up two years, to 2028. The new timeline suggests China could get Mars samples to Earth as soon as 2031.
Partial lunar eclipse of the Harvest Moon: Everything you need to know
The upcoming Full Harvest Moon on Sept. 17 will feature a partial lunar eclipse. Here's what to expect and how to see it.
Elon Musk's pet dog inspires young girl's design for Polaris Dawn zero-g indicator
A privately-funded space crew aiming to set several records in orbit may not include the first child in space, but they have her hopes, wishes and furry spacesuit-clad creation aboard.
A long-lost moon could explain Mars' weird shape and extreme terrain
A long-lost moon could explain why Mars is so different from the other rocky planets in the solar system.
SpaceX's historic private Polaris Dawn astronaut launch lights up predawn sky (photos)
SpaceX launched the history-making Polaris Dawn mission early this morning, and the nighttime launch made for some incredible imagery.
7 years ago today, the sun unleashed a record-breaking solar flare
As August 2024 set another 20-year high for sunspots, recent solar flares have yet to top two solar flares from September 2017 that still hold unbroken records.
Rosetta's legacy: how were you inspired?
From inspiring a love for the stars to making a life-changing career move, we want to know how ESA’s Rosetta mission has shaped your life.
Astronomers and Starlink Partner for Quieter Radio Sky
Astronomers and Starlink engineers have developed a technique to significantly reduce satellite radio pollution affecting astronomical observations.
The 2024 Global Methane Budget reveals alarming trends
The Global Methane Budget 2024 paints a troubling picture of the current state of global methane emissions. The new report, which uses data from the Copernicus Sentinel-5P satellite, reveals that human activities are now responsible for at least two-thirds of global methane emissions.
A smooth start to life in orbit for Sentinel-2C
Sentinel-2C has completed its important first few days in space, which saw teams on the ground working around the clock to ensure the spacecraft is ready to begin its mission.
