#apophis

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jbz @jbz@indieweb.social · Aug 01, 2026
☄️ Billions of people—and multiple spacecraft—may see a ‘once-per-millennium’ asteroid flyby in 2029 「 Initial calculations suggested the roughly 340-meter-diameter rock had a one-in-37 chance of impacting Earth in 2029. Careful tracking, however, subsequently dropped those odds to zero. But Apophis’s close approach in 2029 will still offer “a once-per-millennium natural experiment 」 https://www.scientificamerican.com/article/spacecraft-will-swarm-asteroid-apophis-during-fateful-2029-earth-flyby/ #apophis #science #asteroid
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jcrabapple @jcrabapple@dmv.community · Jul 26, 2026
☄️ On April 13, 2029, asteroid Apophis will fly so close to Earth that about 7.6 billion people could see it with their naked eyes. Apophis is about 340 meters across, roughly the height of the Eiffel Tower. It will pass just 32,000 km from Earth's surface, closer than our geostationary satellites. The flyby was a hot topic at the Apophis T-3 Years conference in Padua, Italy this June. Naked-eye visibility should last about 7 hours as it streaks from Australia across to the North Atlantic. Peak brightness occurs over Cameroon at 4:35 PM EDT. Closest approach is at 5:46 PM EDT over the Atlantic. NASA says an asteroid this large passes this close only every few thousand years. There is zero impact risk. Friday the 13th, no less. Read more: https://science.nasa.gov/solar-system/asteroids/apophis-facts/ https://www.space.com/astronomy/asteroids/once-in-a-millennium-asteroid-flyby-will-be-visible-to-much-of-the-world-in-2029 http://www.eclipseatlas.com/apophis #astronomy #apophis #space
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TKSST • seethis.tv 🌈🪐✨ @tksst@fediscience.org · Jul 20, 2026
💁🏻‍♀️ TIL: ☄️🌍 A mapping project shared at the University of #Padua shows when and where billions of people can see #asteroid #Apophis during its safe 2029 flyby. Scientists calculated that the #space rock will be bright enough for naked eye viewing across #Europe, #Africa, and #Asia, and it will pass closer to our #planet than many #weather #satellites. 👉 https://www.livescience.com/space/asteroids/shared-cosmic-experience-potentially-hazardous-asteroid-apophis-could-be-visible-to-90-percent-of-earths-population-during-ultraclose-2029-flyby-new-maps-reveal #astronomy #science #maps #nasa #earth
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Astro Hawk (Ian Kluft) ✅🚀🛰️ @AstroHawk@spacey.space · Jul 19, 2026
Replying to @AstroHawk@spacey.space
"'Shared cosmic experience': 'Potentially hazardous' asteroid Apophis could be visible to 90% of Earth's population during ultraclose 2029 flyby" by @LiveScience@flipboard.com - Every continent except North America will have some nighttime hours with view of the near-Earth #asteroid #99942Apophis during its fly-by on April 13, 2029. Closest point will be 19,000mi/30,600km from Earth's surface, which is closer than geosynchronous satellites! https://www.livescience.com/space/asteroids/shared-cosmic-experience-potentially-hazardous-asteroid-apophis-could-be-visible-to-90-percent-of-earths-population-during-ultraclose-2029-flyby-new-maps-reveal #Apophis #NEA #NEO #astronomy #LowFlyingRocks
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Mikko Tuomi @mustapipa@scicomm.xyz · Apr 28, 2026
Boosted by hypebot @hypebot@goingdark.social

The White House announced a plan to cancel over 50 #space missions as part of a devastating 46% cut to #NASA #science.

The proposal would likely eliminate thousands of jobs at an agency that has just launched astronauts to the #Moon for the first time in decades, and dozens of other space missions would see their operations reduced or slowly wound down to a halt.

The following missions are to be cancelled:

  1. The Habitable Worlds Observatory being built to search for #life on dozens of Earth-like planets beyond our Solar System while addressing fundamental questions about our #Universe.

  2. OSIRIS-APEX capitalizes on the exceptionally rare 2029 Earth flyby of the potentially hazardous #asteroid #Apophis to advance planetary defense strategies and reveal how Earth’s #gravity alters an asteroid’s surface and interior.

  3. The ExoMars Rosalind Franklin rover will deliberately search for signs of life on #Mars by analyzing the composition of samples collected from as deep as 2 meters below the surface.

  4. The DAVINCI mission is an atmospheric probe that will be deployed to our sister planet, #Venus, and provide the first detailed measurements of the composition and chemistry of its #atmosphere.

  5. Initially focusing on #Jupiter’s interior, atmosphere, and aurora, #Juno is already orbiting Jupiter and has expanded during its extended mission to be a full system explorer capable of investigating the Galilean satellites, rings, inner moons, radiation belts, and boundaries of Jupiter’s magnetosphere.

  6. VERITAS will create unprecedented, global, high-resolution datasets of Venus designed to answer a fundamental question for rocky #planets: how did Earth and her twin Venus evolve into two entirely different examples of planetary #habitability?

https://www.planetary.org/articles/meet-the-people-behind-nasas-endangered-missions

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