--- title: Why Google Doodle Celebrates Guillermo Haro Today description: The March 21 Google Doodle celebrates Mexican astronomer Guillermo Haro. Here are five things to know about Guillermo Haro. canonical: https://time.com/5208719/guillermo-haro-astronomer/ author: Jamie Ducharme article:opinion: false article:content_tier: free article:published_time: 2018-03-21T13:04:52.000Z article:modified_time: 2023-12-12T21:06:08.000Z article:section: Science og:title: Why Google Doodle Celebrates Astronomer Guillermo Haro Today og:description: The Mexican astronomer is a star og:url: https://time.com/5208719/guillermo-haro-astronomer/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt2443cd86afa08e62/69892b760a4a2209799d228b/guillermo-haros-105th-birthday-6241048765399040-2x.png?branch=production&width=688&quality=75&auto=webp&crop=16:9 og:image:width: 688 og:image:height: 387 og:image:alt: Guillermo Haro og:type: article twitter:card: summary_large_image twitter:title: Why Google Doodle Celebrates Astronomer Guillermo Haro Today twitter:description: The Mexican astronomer is a star twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt2443cd86afa08e62/69892b760a4a2209799d228b/guillermo-haros-105th-birthday-6241048765399040-2x.png?branch=production&width=688&quality=75&auto=webp&crop=16:9 ---  # Why Google Doodle Celebrates Astronomer Guillermo Haro Today > Sponsored content. 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It reaches 40,000 subscribers with a 34.2% open rate and a 2.1% click rate as of August 2026. #### Where can I follow the energy transition as a business story? Future Proof covers climate and energy as an economic and business story rather than only an environmental one. It publishes every Friday and is free at time.com/newsletters. #### Who writes Future Proof? Justin Worland, a senior correspondent at TIME and an award-winning climate journalist, writes Future Proof. #### Is Future Proof free? Yes. Future Proof is free at time.com/newsletters. ## Video: The Future of Telescopes [Watch (HLS stream): The Future of Telescopes](https://cdn.jwplayer.com/manifests/Ury7rR8x.m3u8) (3:17)  _Published 2017-07-31. For astronomers, telescopes are the one indispensable tool. It’s a good thing then that we are in living in something of a boom time for telescope building—and some of the best instruments are being deployed in one of two places: Chile or space._  by [Jamie Ducharme](https://time.com/author/jamie-ducharme/)  ## Jamie Ducharme Ducharme is a contributor to TIME. Updated: Dec 12, 2023 9:06 PM UTCPublished: Mar 21, 2018 1:04 PM UTC  Google Doodle  by [Jamie Ducharme](https://time.com/author/jamie-ducharme/)  ## Jamie Ducharme Ducharme is a contributor to TIME. Updated: Dec 12, 2023 9:06 PM UTCPublished: Mar 21, 2018 1:04 PM UTC He may not be a household name, but Guillermo Haro is a star — at least as far as Google is concerned. [The March 21 Google Doodle](https://www.google.com/doodles/guillermo-haros-105th-birthday) is devoted to the vaunted Mexican astronomer, in honor of what would have been his 105th birthday. The celestial Doodle shows constellations spelling out Google’s name, with Haro’s face, illuminated in the night sky, serving as the second “O.” Here are five things to know about celebrated scientist Guillermo Haro. ## 1\. Guillermo Haro discovered Herbig-Haro objects Perhaps Guillermo Haro’s largest astronomical finding, and the one that bears his name, is the Herbig-Haro object. The term refers to planetary matter formed by the birth of a new star, [according to _Discover_ magazine](http://blogs.discovermagazine.com/badastronomy/tag/herbig-haro-objects/#.WrJOsxPwau4). ## 2\. …And flare stars in Orion’s Belt Orion’s Belt, a constellation made up of three sister stars, is among the most recognizable celestial shapes out there. We have Guillermo Haro to thank for discovering flare stars, or red and blue bright stars, near those that make up Orion’s Belt, as well in as several other areas, [according to the Royal Astronomical Society](http://adsabs.harvard.edu/full/1989QJRAS..30..493T). ## 3\. Guillermo Haro was the first Mexican elected to the Royal Astronomical Society Haro, who was born in Mexico in 1913, was honored for his contributions to the field of astronomy in 1959, when he became the first Mexican elected to the prestigious Royal Astronomical Society, according to Google. ## 4\. Haro advanced science in Mexico In 1960, Guillermo Haro became the first president of the brand new Mexican Academy of Sciences, an organization which he helped found, according to the Royal Astronomical Society. Haro also founded the [National Institute of Astrophysics, Optics, and Electronics,](http://www.inaoep.mx/en/) in 1971, to help support science students as they advance professionally, according to Google. ## 5\. Haro didn’t always plan to be an astronomer Despite his numerous contributions to the field of astronomy, Guillermo Haro actually graduated from the University of Mexico with a degree in philosophy. It was only after he graduated that he turned his interests to astronomy, paving the way for his career full of achievements. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/5208719/guillermo-haro-astronomer/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/5208719/guillermo-haro-astronomer/"},"headline":"Why Google Doodle Celebrates Astronomer Guillermo Haro Today","datePublished":"2018-03-21T13:04:52.000Z","dateModified":"2023-12-12T21:06:08.000Z","description":"The Mexican astronomer is a star","url":"https://time.com/5208719/guillermo-haro-astronomer/","keywords":["astronomy","Google Doodle","onetime"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt2443cd86afa08e62/69892b760a4a2209799d228b/guillermo-haros-105th-birthday-6241048765399040-2x.png?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Jamie Ducharme","jobTitle":"Ducharme is a contributor to TIME.","url":"https://time.com/author/jamie-ducharme/"}],"articleSection":"Science","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt2443cd86afa08e62/69892b760a4a2209799d228b/guillermo-haros-105th-birthday-6241048765399040-2x.png?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"Guillermo Haro","caption":"Guillermo Haro","creditText":"Google Doodle","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/science/","name":"Science"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/astronomy/","name":"astronomy"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/5208719/guillermo-haro-astronomer/","name":"Why Google Doodle Celebrates Astronomer Guillermo Haro Today"}}]},{"@context":"https://schema.org","@type":"VideoObject","name":"The Future of Telescopes","description":"For astronomers, telescopes are the one indispensable tool. 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