NASA’s New Horizons spacecraft carried out an unprecedented deep-space star navigation test while 438 million miles from Earth. Using its long-range camera in April 2020, it captured images of Proxima Centauri and Wolf 359, which appeared slightly shifted in the sky compared to Earth’s view – a striking demonstration of stellar parallax. It was the first-ever demonstration of deep-space stellar navigation. By comparing these images to Earth-based observations and a 3D star chart, scientists calculated New Horizons’ position to within about 4.1 million miles, only about 26 inches across the United States.
Stellar Parallax Test
According to the paper describing the results, accepted for publication in The Astronomical Journal, New Horizons’ camera imaged Proxima Centauri (4.2 light-years away) and Wolf 359 (7.86 light-years) on April 23, 2020. From the spacecraft’s distant vantage point, the two stars appear in different positions than seen from Earth – the essence of stellar parallax. By comparing those images with Earth-based data and a three-dimensional map of nearby stars, the team worked out the probe’s location to within about 4.1 million miles.
As lead author Tod Lauer explained, “Taking simultaneous Earth/Spacecraft images we hoped would make the concept of stellar parallaxes instantly and vividly clear”. He added, “It’s one thing to know something, but another to say ‘Hey, look! This really works!’”.
New Horizons and Future Missions
New Horizons, the fifth spacecraft to leave Earth and reach interstellar space, flew past Pluto and its moon Charon in 2015, sending home the first close-up images of those distant icy worlds. Now on an extended mission, the probe is studying the heliosphere.
New Horizons’ principal investigator Alan Stern called the parallax test “a pioneering interstellar navigation demonstration” that shows a spacecraft can use onboard cameras “to find its way among the stars”, in a statement. He also noted it “could be highly useful for future deep space missions in the far reaches of the Solar System and in interstellar space”
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#NASAs #Horizons #Proves #DeepSpace #Navigation #Stellar #Parallax
![‘Alice in Borderland: Retry’ Makes Up For the Netflix Series Reheating ‘Squid Game’ Nachos
Not to pick at an irritated scab, but when the eighth and final season of Game of Thrones… happened… I, a fan of the series via the show, naively assumed all author George R.R. Martin had to do was pen a different bookend to the series to recover all the lost goodwill of the series. Little did I know that was a touchy subject among book-readers who’ve been tortured by the author’s perpetual procrastination for years. Condolences. While the same scenario isn’t fully analogous with what’s happened with Netflix’s live-action Alice in Borderland TV show and VIZ Media’s English manga release of the series’ extended epilogue, Alice in Borderland: Retry, the manga more than retroactively makes up for the huge disappointment I felt witnessing the show I loved go full Squid Game in the worst way possible in its final season. [embed]https://www.youtube.com/watch?v=49_44FFKZ1M[/embed] Alice in Borderland is a cutting series in which a man named Arisu gets trapped in a sci-fi death game where a group of sequestered survivors must compete in a litany of challenges in an abandoned city. Think Gantz meets Kaiji. Its rules are cruel, but never completely ass-pull, with players logically outfoxing each other to win games lest a laser from the sky punch them through the top of their heads.
The show was so good I didn’t realize it was based on a manga by Haro Aso (Zom 100: Bucketlist of the Dead) that was also adapted into an anime—a fact that speaks to its overall quality in a sea of lackluster live-action Netflix projects. And for two seasons it came and went, adapting that story prior to Squid Game mania and, subsequently, in the throes of its pop culture takeover. That is, until a third season was released last year, ripping Arisu and his lover Usagi from their peaceful lives post-death games and throwing them back into the fray like a kid with a magnifying glass looming over an ant hill.
[embed]https://www.youtube.com/watch?v=_8p6YkEPVco[/embed] I was rocking with the series for a bit despite the show clearly making stuff up as it went along until it committed the tacky, cardinal sin of copying what Squid Game’s third season did in its final moments, desperately sequel-baiting itself by asking the question no one was curious about in a stinger: What if it took place in America? May that answer never come because of the road it took to tarnish the show’s reputation. As far as I’m concerned, there was no third season. Alice in Borderland Retry is now available in print and digital! Read a free preview: https://t.co/OJcjm9wliH pic.twitter.com/8iqGzwjTIV — VIZ Media (@VIZMedia) July 21, 2026 So imagine my surprise to find that Viz Media’s recently released localization of Aso’s 2020 epilogue manga to the series, set 10 years after its conclusion, would retroactively act as a remedy to the Netflix series’ final season I wish I could wipe from my mind palace. The manga starts out almost exactly the same as the third season of the Netflix series (duh, the manga came out first), with Arisu going from a NEET to a psychologist and Usagi expecting their first child. That’s the last thing similar between the two.
Unlike the Netflix series’ contrived reasoning to get everyone back into the games, Arisu winds up in the games for a pretty simple reason. He and five other participants get hit by a billboard and wind up in the Borderlands. If you’ve watched the show or read the manga, this inciting incident is far from the cataclysmic events that send Arisu to the Borderlands the first time around, but what it lacks in spectacle, it more than makes up for in the challenge that awaits them. In contrast to the more-is-more inventiveness of the Netflix series’ games in its final season, Arisu and company only have to play one game, which is essentially musical chairs but for keeps. Despite the simplicity of the game, the stakes of the 300+ page epilogue far exceed those of the Netflix series, where its collective of players, composed of an insurance employee, a nursery school teacher, an emergency room nurse, a doctor, and an unemployed man, have to debate whose life matters more. [embed]https://www.youtube.com/watch?v=Dq2p_B5MD0c[/embed] It’s rare that manga get a chance to reach a conclusion without getting the axe, and just as rare for series on an indefinite hiatus to start back up regardless of whether a creator is healthy, willing, and able to spin more narrative yarn years after the fact. Which begs the question whether the juice is worth the squeeze to loop back to a series that’s already over. Evidently, I wasn’t the only one in doubt of what, if anything, could be gained from revisiting a series whose manga concluded pretty succinctly. Aso had his doubts too, which he lays bare near the midpoint of the manga, writing the following:
It’s been ten years since I started working on Alice in Borderland. Like Arisu, I didn’t want to ever revisit a horrifying world like Borderland, but I was given the opportunity to write a sequel and I just couldn’t pass it up. What does it mean to live? What do our lives mean? Now, at 40 years old, I want to retry answering these questions. While its game is a deceptively simple one, a fatal road of agony, betrayal, and second-guessing the inherent good in the human spirit left me in awe as I flipped through its pages and found that Aso still had it in him to concoct an intense, not-so-unwinnable death game, and that what he had to say serves as a footnote to a series that’s more than earned its place in the pantheon of death game narratives. 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. #Alice #Borderland #Retry #Netflix #Series #Reheating #Squid #Game #NachosAlice in Borderland,Manga,Netflix,Viz Media ‘Alice in Borderland: Retry’ Makes Up For the Netflix Series Reheating ‘Squid Game’ Nachos
Not to pick at an irritated scab, but when the eighth and final season of Game of Thrones… happened… I, a fan of the series via the show, naively assumed all author George R.R. Martin had to do was pen a different bookend to the series to recover all the lost goodwill of the series. Little did I know that was a touchy subject among book-readers who’ve been tortured by the author’s perpetual procrastination for years. Condolences. While the same scenario isn’t fully analogous with what’s happened with Netflix’s live-action Alice in Borderland TV show and VIZ Media’s English manga release of the series’ extended epilogue, Alice in Borderland: Retry, the manga more than retroactively makes up for the huge disappointment I felt witnessing the show I loved go full Squid Game in the worst way possible in its final season. [embed]https://www.youtube.com/watch?v=49_44FFKZ1M[/embed] Alice in Borderland is a cutting series in which a man named Arisu gets trapped in a sci-fi death game where a group of sequestered survivors must compete in a litany of challenges in an abandoned city. Think Gantz meets Kaiji. Its rules are cruel, but never completely ass-pull, with players logically outfoxing each other to win games lest a laser from the sky punch them through the top of their heads.
The show was so good I didn’t realize it was based on a manga by Haro Aso (Zom 100: Bucketlist of the Dead) that was also adapted into an anime—a fact that speaks to its overall quality in a sea of lackluster live-action Netflix projects. And for two seasons it came and went, adapting that story prior to Squid Game mania and, subsequently, in the throes of its pop culture takeover. That is, until a third season was released last year, ripping Arisu and his lover Usagi from their peaceful lives post-death games and throwing them back into the fray like a kid with a magnifying glass looming over an ant hill.
[embed]https://www.youtube.com/watch?v=_8p6YkEPVco[/embed] I was rocking with the series for a bit despite the show clearly making stuff up as it went along until it committed the tacky, cardinal sin of copying what Squid Game’s third season did in its final moments, desperately sequel-baiting itself by asking the question no one was curious about in a stinger: What if it took place in America? May that answer never come because of the road it took to tarnish the show’s reputation. As far as I’m concerned, there was no third season. Alice in Borderland Retry is now available in print and digital! Read a free preview: https://t.co/OJcjm9wliH pic.twitter.com/8iqGzwjTIV — VIZ Media (@VIZMedia) July 21, 2026 So imagine my surprise to find that Viz Media’s recently released localization of Aso’s 2020 epilogue manga to the series, set 10 years after its conclusion, would retroactively act as a remedy to the Netflix series’ final season I wish I could wipe from my mind palace. The manga starts out almost exactly the same as the third season of the Netflix series (duh, the manga came out first), with Arisu going from a NEET to a psychologist and Usagi expecting their first child. That’s the last thing similar between the two.
Unlike the Netflix series’ contrived reasoning to get everyone back into the games, Arisu winds up in the games for a pretty simple reason. He and five other participants get hit by a billboard and wind up in the Borderlands. If you’ve watched the show or read the manga, this inciting incident is far from the cataclysmic events that send Arisu to the Borderlands the first time around, but what it lacks in spectacle, it more than makes up for in the challenge that awaits them. In contrast to the more-is-more inventiveness of the Netflix series’ games in its final season, Arisu and company only have to play one game, which is essentially musical chairs but for keeps. Despite the simplicity of the game, the stakes of the 300+ page epilogue far exceed those of the Netflix series, where its collective of players, composed of an insurance employee, a nursery school teacher, an emergency room nurse, a doctor, and an unemployed man, have to debate whose life matters more. [embed]https://www.youtube.com/watch?v=Dq2p_B5MD0c[/embed] It’s rare that manga get a chance to reach a conclusion without getting the axe, and just as rare for series on an indefinite hiatus to start back up regardless of whether a creator is healthy, willing, and able to spin more narrative yarn years after the fact. Which begs the question whether the juice is worth the squeeze to loop back to a series that’s already over. Evidently, I wasn’t the only one in doubt of what, if anything, could be gained from revisiting a series whose manga concluded pretty succinctly. Aso had his doubts too, which he lays bare near the midpoint of the manga, writing the following:
It’s been ten years since I started working on Alice in Borderland. Like Arisu, I didn’t want to ever revisit a horrifying world like Borderland, but I was given the opportunity to write a sequel and I just couldn’t pass it up. What does it mean to live? What do our lives mean? Now, at 40 years old, I want to retry answering these questions. While its game is a deceptively simple one, a fatal road of agony, betrayal, and second-guessing the inherent good in the human spirit left me in awe as I flipped through its pages and found that Aso still had it in him to concoct an intense, not-so-unwinnable death game, and that what he had to say serves as a footnote to a series that’s more than earned its place in the pantheon of death game narratives. 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. #Alice #Borderland #Retry #Netflix #Series #Reheating #Squid #Game #NachosAlice in Borderland,Manga,Netflix,Viz Media](https://gizmodo.com/app/uploads/2026/07/Alice-in-Borderland-1280x853.jpg)
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