A case of astronomical fratricide is doomed to end in a fiery supernova bright enough to be spotted from Earth during the day.
A study published this August in the journal Monthly Notices of the Royal Astronomical Society investigated a binary star system about 10,000 light-years from Earth called V Sagittae. Researchers finally solved the century-long mystery behind what makes it so freaking bright. They found that the system is strangely luminous because one of the pair, a super-dense white dwarf, is absolutely scarfing down on its larger sibling at unprecedented speed.
Eventually, the two stars will collide, producing a supernova explosion of unusual brightness. The event is set to occur “in the coming years,” the researchers said in a university statement.
The brightest of its kind
“V Sagittae is no ordinary star system—it’s the brightest of its kind and has baffled experts since it was first discovered in 1902. Our study shows that this extreme brightness is down to the white dwarf sucking the life out of its companion star, using the accreted matter to turn it into a blazing inferno,” Phil Charles, a co-author of the study and a researcher at the University of Southampton, said in the statement. “It’s a process so intense that it’s going thermonuclear on the white dwarf’s surface, shining like a beacon in the night sky.”
The team observed the extraterrestrial siblings, which orbit each other once every 12.3 hours, using the powerful European Southern Observatory’s Very Large Telescope in Chile. By doing so they also found a giant ring of gas around the binary stars, consisting of the debris from carnage and resulting from the gargantuan levels of energy the white dwarf is generating.
This unexpected finding provides insight that could reshape our knowledge about the birth and death of stars, explained Pasi Hakala, a researcher at the University of Turku and co-lead author of the study. “The white dwarf cannot consume all the mass being transferred from its hot star twin, so it creates this bright cosmic ring,” he continued. “The speed at which this doomed stellar system is lurching wildly, likely due to the extreme brightness, is a frantic sign of its imminent, violent end.”
An even more brilliant end
Pablo Rodríguez-Gil, the other co-lead author and a researcher at the Spanish Instituto de Astrofísica de Canarias and University of La Laguna, says that in the near future, the amassing matter on the white dwarf will probably create a nova outburst. A nova is an explosion in a binary star system, and this one would make V Sagittae visible to people on Earth without the help of any instruments.
“But when the two stars finally smash into each other and explode, this would be a supernova explosion so bright it’ll be visible from Earth even in the daytime,” he concluded.
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![‘Project Hail Mary’ Won’t Be Coming to Streaming Any Time Soon
With all the excitement of movies to come this week thanks to CinemaCon, it was almost easy to forget that MGM provided an interesting update on one of our favorite movies of the year that’s already out: Project Hail Mary will head back to IMAX theaters this weekend for an extended theatrical run. But that extension also means one thing: you’ll have to wait to stream it at home for a good while longer. During its presentation at CinemaCon this week MGM confirmed that Phil Lord and Chris Miller’s sci-fi hit would make its return to IMAX screens for a limited-time, one-week run starting this weekend, a move that will likely inch Project Hail Mary ever closer to crossing the $600 million box office mark. But to put a finer point on the news, Miller took to Twitter yesterday to confirm specifically that the extension means you won’t be able to watch the film at home for the forseeable future.
We announced yesterday that MGM is extending the exclusive theatrical window for PROJECT HAIL MARY so it won’t be on streaming anytime soon. This is a movie that needs to be seen on a big screen – and w a full return to IMAX screens for 1 week only starting this weekend, make… https://t.co/suK8NYpgWM — Christopher Miller (@chrizmillr) April 16, 2026 “It won’t be on streaming any time soon,” Miller’s tweet reads in part. “This is a movie that needs to be seen on a big screen […] Bring friends and loved ones. It’s an experience to share with others.” Project Hail Mary launched on March 20, so it’s not too surprising that it’s not headed home just yet—it’s just shy of a month into its theatrical window, which has now been extended by at least another week with the return to IMAX. But as studios begin to try realigning towards more theatrical releases with longer exclusivity windows again (one of the lingering aftereffects of covid’s impact on movie theaters), we should probably expect some of the biggest films of the year and beyond to try and hold off of hitting streaming for as long as they can.
At least in Project Hail Mary‘s case, you can still go and see it somewhere, even if it’s not at home. Good things come to those who wait, but for now, you can head to a movie theater to get your fix again. Want more io9 news? Check out when to expect the latest Marvel, Star Wars, and Star Trek releases, what’s next for the DC Universe on film and TV, and everything you need to know about the future of Doctor Who. #Project #Hail #Mary #Wont #Coming #Streaming #TimeAmazon MGM,Project Hail Mary,Streaming ‘Project Hail Mary’ Won’t Be Coming to Streaming Any Time Soon
With all the excitement of movies to come this week thanks to CinemaCon, it was almost easy to forget that MGM provided an interesting update on one of our favorite movies of the year that’s already out: Project Hail Mary will head back to IMAX theaters this weekend for an extended theatrical run. But that extension also means one thing: you’ll have to wait to stream it at home for a good while longer. During its presentation at CinemaCon this week MGM confirmed that Phil Lord and Chris Miller’s sci-fi hit would make its return to IMAX screens for a limited-time, one-week run starting this weekend, a move that will likely inch Project Hail Mary ever closer to crossing the $600 million box office mark. But to put a finer point on the news, Miller took to Twitter yesterday to confirm specifically that the extension means you won’t be able to watch the film at home for the forseeable future.
We announced yesterday that MGM is extending the exclusive theatrical window for PROJECT HAIL MARY so it won’t be on streaming anytime soon. This is a movie that needs to be seen on a big screen – and w a full return to IMAX screens for 1 week only starting this weekend, make… https://t.co/suK8NYpgWM — Christopher Miller (@chrizmillr) April 16, 2026 “It won’t be on streaming any time soon,” Miller’s tweet reads in part. “This is a movie that needs to be seen on a big screen […] Bring friends and loved ones. It’s an experience to share with others.” Project Hail Mary launched on March 20, so it’s not too surprising that it’s not headed home just yet—it’s just shy of a month into its theatrical window, which has now been extended by at least another week with the return to IMAX. But as studios begin to try realigning towards more theatrical releases with longer exclusivity windows again (one of the lingering aftereffects of covid’s impact on movie theaters), we should probably expect some of the biggest films of the year and beyond to try and hold off of hitting streaming for as long as they can.
At least in Project Hail Mary‘s case, you can still go and see it somewhere, even if it’s not at home. Good things come to those who wait, but for now, you can head to a movie theater to get your fix again. Want more io9 news? Check out when to expect the latest Marvel, Star Wars, and Star Trek releases, what’s next for the DC Universe on film and TV, and everything you need to know about the future of Doctor Who. #Project #Hail #Mary #Wont #Coming #Streaming #TimeAmazon MGM,Project Hail Mary,Streaming](https://gizmodo.com/app/uploads/2026/04/project-hail-mary-ryan-gosling-1280x853.jpg)
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