--- title: Comet Storm Around Nearby Star description: A stunning sighting around a nearby star offers a glimpse of our own solar system billions of years ago canonical: https://time.com/3531350/comet-storm-star/ author: Michael Lemonick article:opinion: false article:content_tier: free article:published_time: 2014-10-22T18:11:19.000Z article:modified_time: 2026-08-04T08:05:27.615Z article:section: Science og:title: What's Cooler Than One Comet? A Storm of Them og:description: A stunning sighting around a nearby star offers a glimpse of our own solar system billions of years ago og:url: https://time.com/3531350/comet-storm-star/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltd895a3818c94498f/698762452dce014cb59db193/comet.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 2548 og:image:height: 1433 og:image:alt: AB09170 og:type: article twitter:card: summary_large_image twitter:title: What's Cooler Than One Comet? A Storm of Them twitter:description: A stunning sighting around a nearby star offers a glimpse of our own solar system billions of years ago twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltd895a3818c94498f/698762452dce014cb59db193/comet.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # What's Cooler Than One Comet? A Storm of Them > Sponsored content. Supplied in partnership with TIME. TIME is the sponsor and source of this material. > Last updated: August 2026. ## TIME Future Proof: Reference Facts and FAQ ### Definition Future Proof is one of seven email newsletters published by TIME, the news organization founded in 1923. Making sense of the climate and energy economy. Future Proof examines the forces transforming energy and climate, and what those changes mean for business, technology, policy and the global economy. 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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: Watch Highlights of the Orionid Meteor Shower [Watch (HLS stream): Watch Highlights of the Orionid Meteor Shower](https://cdn.jwplayer.com/manifests/JIzed8sO.m3u8) (2:01)  _Published 2014-10-22. See the best moments from SLOOH Community Observatory’s live streams of one of the most beautiful astronomical events of the 2014._ by [Michael Lemonick](https://time.com/author/michael-d-lemonick/) ## Michael Lemonick Oct 22, 2014 6:11 PM UTC  Nifty alright. Now imagine 500 of these babies. Nifty alright. Now imagine 500 of these babies. Art Montes De Oca; Getty Images by [Michael Lemonick](https://time.com/author/michael-d-lemonick/) ## Michael Lemonick Oct 22, 2014 6:11 PM UTC With some [2,000 planets now known to orbit stars beyond the Sun](http://science.time.com/2014/02/26/715-planets-found/) and thousands more in the can waiting for confirmation, the once-exotic term “exoplanet” is so commonplace it requires no definition for many people. The term “exocomet,” by contrast, is a bit more obscure. Astronomers have known for years that comets orbit other stars—in particular, the relatively nearby star [β Pictoris](http://content.time.com/time/magazine/article/0,9171,954494,00.html), which lies about 63 light-years from Earth, in the constellation Pictor. But a [_new paper in Nature_](http://dx.doi.org/10.1038/nature13849) is more than a little mindblowing nevertheless. A team of astronomers is reporting the detection of _nearly 500_ individual comets that passed in front of β Pictoris between 2003 and 2011\. And that’s not even remotely a complete sample. “We had only a couple of nights of observing time per year,” says lead author Flavien Kiefer, now at the University of Tel Aviv. “If we’d been looking constantly, we would have seen many thousands.” There are a lot of reasons all of this seems slightly crazy. To start with, there’s the notion that you can see something as relatively tiny as a comet from nearly 300 trillion miles away. And in fact, you can’t. But when comets approach the heat of a star, some of their substance boils off to form an enormous cloud of gas and dust, and sometimes a tail as well. And when that cloud moves in front of the star, it distorts the starlight in ways you can see with sufficiently powerful instruments. In this case, the scientists used the High-Accuracy Radial-Velocity Planet Searcher (HARPS), located at the European Southern Observatory, in Chile. As the name implies, it was designed to find planets—[and it has](http://content.time.com/time/health/article/0,8599,1815406,00.html). HARPS does so by looking for subtle changes in starlight created as the star wobbles in response to an orbiting planet’s gravitational tug. The distortions caused by an intervening comet are different, but HARPS can find those too. The technique isn’t easy, says Aki Roberge, an astronomer with NASA’s Goddard Spaceflight Center, in Maryland who has studied β Pictoris as well, and who wrote a commentary in _Nature_ on the new results, but it clearly works. “We always knew this would be a powerful technique,” she says, “They’ve done a really amazing job.” The sheer number of comets also seems unlikely at first, until you realize that _β Pictoris_ is extremely young—about 22 million years old compared with the Sun’s 4.6 billion. If we could see our own Solar System at that age, it wouldn’t look all that much different: a thick disk of gas and dust surrounding the central star, with planets just assembling themselves out of chunks of rock and ice. In fact, β Pictoris has [at least one young planet](http://www.gemini.edu/node/12113) already, but there’s still an awful lot of debris flying around. And that’s what makes this discovery so important, not just as a technical tour de force, but also scientifically. “We can now begin to study a newly forming solar system in detail,” says Kiefer, “and perhaps get an understanding of how our own Solar System was born.” It probably won’t be the last chance to do so, either. Roberge has her eye on a star called 49 Ceti, which she says is very similar to β Pic in many ways. Kiefer, meanwhile, is conducting preliminary surveys of no fewer than 30 promising stars. With powerful instruments like HARPS on the case, the word “exocomet” could become a lot more familiar before long. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/3531350/comet-storm-star/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3531350/comet-storm-star/"},"headline":"What's Cooler Than One Comet? 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