Hacker News
- A dim star passed through the Oort Cloud 70,000 years ago http://www.eurekalert.org/pub_releases/2015-02/uor-acc021615.php 4 comments
- Grand Theft Oort-o: Red Dwarf Cruised Through Oort Cloud 70,000 Years Ago http://www.bbc.com/news/science-environment-31519875 5 comments space
- Gunnar Henderson hits one to the Oort Cloud off Kaleb Ort https://mlb-cuts-diamond.mlb.com/FORGE/2022/2022-09/26/48930aab-bb39aac0-6ed7a5f6-csvm-diamondx64-asset_1280x720_59_4000K.mp4 18 comments baseball
- The Oort Cloud https://ignitionscience.wordpress.com/2022/02/26/the-oort-cloud/ 12 comments space
- Mega Comet Arriving From the Oort Cloud Is 85 Miles Wide https://gizmodo.com/bernardinelli-bernstein-biggest-comet-ever-1848502226 186 comments space
- Oort cloud at the edge of solar system is filled with interstellar objects. https://www.independent.co.uk/space/interstellar-object-comet-oort-cloud-borisov-b1907066.html?fbclid=IwAR2wGn15hyYRbzihH-9mS71pnmt6bQB_E4JmVc6aGQFafiZQ6qVW-N8Bj0Y 2 comments astronomy
- The André–Oort conjecture has been proved https://arxiv.org/abs/2109.08788 138 comments math
- Our Solar System’s “Oort Cloud” Is Home to Countless Interstellar Visitors, Says New Research https://thedebrief.org/our-solar-systems-oort-cloud-is-home-to-countless-interstellar-visitors-says-new-research/ 5 comments science
- Interstellar objects outnumber Solar system objects in the Oort cloud https://academic.oup.com/mnrasl/article-abstract/507/1/L16/6353622?redirectedFrom=fulltext 5 comments science
- Space object with orbit stretching into the Oort cloud discovered https://phys.org/news/2021-06-space-orbit-oort-cloud.html 8 comments space
- 2014 UN271 is a large comet, possibly as large as a dwarf planet. It is falling into our planetary region from the Oort Cloud. It will reach 10.1 AU, slightly farther than Saturn, in 2031. http://orbitsimulator.com/gravitySimulatorCloud/simulations/1624300906609_2014UN271.html 82 comments space
- Space object with orbit stretching into the Oort cloud discovered. Measurements of the object put it between the size of a very small planet and a comet. Its orbit is nearly perpendicular to the plane created by the 9 inner planets and One trip around the sun has been calculated to take 612,190 yrs. https://phys.org/news/2021-06-space-orbit-oort-cloud.html 5 comments space
- Astronomers calculate genesis of Oort cloud in chronological order https://phys.org/news/2021-06-astronomers-genesis-oort-cloud-chronological.html 4 comments space
- Does every star have an Oort Cloud? https://www.reddit.com/r/askscience/comments/a4yi2z/does_every_star_have_an_oort_cloud/ 67 comments askscience
- Are structures similar to the Oort cloud common for solar systems? https://www.reddit.com/r/askscience/comments/a4t9r9/are_structures_similar_to_the_oort_cloud_common/ 3 comments askscience
- Is it at all possible that since Oumuamua is an extrasolar object, that it may have disturbed parts of the Oort cloud, sending some other objects our way, or is everything out there too far apart that a collision would be unlikely? https://www.reddit.com/r/askscience/comments/a3jt4o/is_it_at_all_possible_that_since_oumuamua_is_an/ 5 comments askscience
- How big would a ground-based telescope need to be in order to capture Oort Cloud objects? https://space-facts.com/wp-content/uploads/oort-cloud.png 8 comments space
- Gliese 710 will pass our solar system at a mere 0.163 light-years in 1.28 million years, close enough to significantly disrupt the Oort Cloud http://www.syfy.com/syfywire/get-ready-a-star-will-pass-pretty-close-to-the-sun-in-just-13-million-years 6 comments space
- Armageddon: scientists calculate how stars can nudge comets to strike Earth | Plotting how often stars stray into the Oort cloud allows astronomers to assess the risk of all life being wiped out by a cosmic cataclysm https://www.theguardian.com/science/2017/aug/31/armageddon-scientists-calculate-how-stars-can-nudge-comets-to-strik-earth 6 comments worldnews
- Why is the Oort cloud a cloud and not a belt? https://www.reddit.com/r/askscience/comments/6u37bc/why_is_the_oort_cloud_a_cloud_and_not_a_belt/ 5 comments askscience
- 1.35 million years from now Gliese 710 will cause the strongest disrupting encounter in the future and history of the solar system passing inside the Oort cloud being only 77 light days away https://en.wikipedia.org/wiki/gliese_710 14 comments space
- We have a Oort cloud.. would this be detectable by someone/thing looking at our sun/star. https://www.reddit.com/r/space/comments/5lsikf/we_have_a_oort_cloud_would_this_be_detectable_by/ 3 comments space
- Astronomers have found an ancient artifact of our solar system. A never before seen chuck of the inner solar system returning from the Oort cloud. "We think it might been fresh Earth-forming material that had been preserved for billions of years," says the head astronomer. http://www.popularmechanics.com/space/deep-space/a20620/ancient-building-block-of-earth/ 87 comments science
- [astronomy] How is the Oort cloud further out than the heliopause, if the heliopause marks the end of the Sun's influence in the Milky Way? https://upload.wikimedia.org/wikipedia/commons/9/9f/Solarmap.png 4 comments askscience
- Scholz's star grazed the Oort cloud 70,000 years ago and humans almost went extinct in a population bottleneck 70,000 years ago... coincidence? http://en.wikipedia.org/wiki/Population_bottleneck#Humans 14 comments askscience
- A Close Call of 0.8 Light Years - Astronomers identify the closest known flyby of a star to our solar system: A dim star that passed through the Oort Cloud 70,000 years ago http://www.astrobio.net/topic/deep-space/cosmic-evolution/close-call-0-8-light-years/ 5 comments space
- A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered that a dim rogue star is likely to have passed through our solar system's Oort Cloud. No other star is known to have ever approached our solar system this close. http://www.astrobio.net/topic/deep-space/cosmic-evolution/close-call-0-8-light-years 5 comments science
- The closest known flyby of a star to our solar system was "within the outer Oort Cloud." http://iopscience.iop.org/2041-8205/800/1/l17 22 comments science
- A local orange dwarf star has a 90 percent probability of passing within the orbit of our outer solar system’s Oort Cloud between 240,000 and 470,000 years from now. http://www.forbes.com/sites/brucedorminey/2014/12/29/outer-solar-system-likely-to-collide-with-orange-dwarf-star/?utm_campaign=forbestech&utm_source=twitter&utm_medium=social&utm_channel=technology&linkid=11444926 85 comments worldnews
- New dwarf planet found sneaking through the inner Oort Cloud http://arstechnica.com/science/2014/03/new-dwarf-planet-found-sneaking-through-the-inner-oort-cloud/ 4 comments space
- New planet-like body found on the outer edges of the solar system, potentially in the mysterious Oort cloud https://theconversation.com/new-planet-like-body-found-sneaking-through-the-inner-oort-cloud-24865 8 comments science
- Dark matter may have killed off the dinosaurs: A new model has the solar system drifting into a layer of dense dark matter that sandwiches the Milky Way and may dislodge comets from the Oort cloud every 35 million years or so. *Speculative!* http://www.nature.com/news/did-dark-matter-kill-the-dinosaurs-1.14839 10 comments science
- Scientists report that a well-preserved Oort Cloud object, 2010 WG9, is drifting into our inner solar system and that since it's moving slow enough, they will be able to study it and obtain unprecedented data about the origins of our solar system. [Source in article and in comments] http://www.universetoday.com/102406/mysterious-and-well-preserved-oort-cloud-object-heading-into-our-solar-system/ 192 comments science
- Is our solar system's Oort Cloud interacting with other Oort clouds in the intergalactic medium? http://htwins.net/scale2/ 3 comments askscience
- The Oort Cloud Comet to pass by Earth: "Once is a civilization event" http://www.businessinsider.com/the-oort-cloud-comet-flying-by-earth-2012-10 10 comments space
- “The model that is the simplest explanation for this is that there's a perturber in the Oort Cloud, and calculations suggest this would have to be Jupiter mass, maybe a few times the mass of Jupiter.” http://www.scientificamerican.com/podcast/episode.cfm?id=whats-flinging-comets-out-of-the-oo-11-05-31 46 comments science
- “If we assume that the Sun’s observed proto-planetary disk can be used to estimate the indigenous population of the Oort cloud, we can conclude that more than 90 percent of the observed Oort cloud comets have an extra-solar origin.” http://www.centauri-dreams.org/?p=12909 4 comments space
- Oort Cloud http://en.wikipedia.org/wiki/oort_cloud 8 comments space
- Gregory Matloff has suggested that Extraterrestrial intelligences have already colonized the Oort Cloud, easily avoiding observation by emulating the appearance of natural objects. http://en.wikipedia.org/wiki/colonization_of_trans-neptunian_objects 18 comments space
- First Oort cloud object may have been discovered http://www.sciencenews.org/view/generic/id/35430/title/tiny_object_points_to_remote_solar_system_reservoir 4 comments science