--- title: Is dark matter’s main rival theory dead? | daily.dev description: The forces in galaxies do not add up, leading to the theories of dark matter and Mond. Dark matter is an invisible substance proposed to explain the... canonical: https://daily.dev/posts/is-dark-matter-s-main-rival-theory-dead--ihnozycsl twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Is dark matter’s main rival theory dead? | daily.dev og:description: The forces in galaxies do not add up, leading to the theories of dark matter and Mond. Dark matter is an invisible substance proposed to explain the... og:url: https://daily.dev/posts/is-dark-matter-s-main-rival-theory-dead--ihnozycsl og:image: https://api.daily.dev/og/posts/IHNoZycSL.png og:image:alt: Is dark matter’s main rival theory dead? og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Is dark matter’s main rival theory dead? **[Ars Technica](https://daily.dev/sources/arstechnica)** · 6 min read · 0 upvotes · 0 comments ## Summary The forces in galaxies do not add up, leading to the theories of dark matter and Mond. Dark matter is an invisible substance proposed to explain the discrepancies, while Mond suggests a breakdown of Newton's laws. Recent research indicates trouble for Mond's theory. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#astrophysics](https://daily.dev/tags/astrophysics) [View this post on daily.dev](https://daily.dev/posts/is-dark-matter-s-main-rival-theory-dead--ihnozycsl) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Is dark matter’s main rival theory dead?","url":"https://daily.dev/posts/is-dark-matter-s-main-rival-theory-dead--ihnozycsl","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/is-dark-matter-s-main-rival-theory-dead--ihnozycsl"},"datePublished":"2024-05-11T12:05:02.008Z","dateModified":"2024-05-11T12:04:59.889Z","description":"The forces in galaxies do not add up, leading to the theories of dark matter and Mond. Dark matter is an invisible substance proposed to explain the...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c07ca96eed1df87b1b233b02f50080c6?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c07ca96eed1df87b1b233b02f50080c6?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Ars Technica","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Ars Technica","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/80883e0e48a34b5ebcf93777016cb3fe","url":"https://daily.dev/sources/arstechnica"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/is-dark-matter-s-main-rival-theory-dead--ihnozycsl","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"astrophysics","timeRequired":"PT6M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Ars Technica","item":"https://daily.dev/sources/arstechnica"},{"@type":"ListItem","position":3,"name":"Is dark matter’s main rival theory dead?"}]} ```