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Home»Anomalies»NASA needs your help finding alien worlds
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NASA needs your help finding alien worlds

SteinarBy SteinarJanuary 21, 2023No Comments4 Mins Read
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You can help NASA discover new planets using your personal telescope or even just your smartphone. 

The space agency’s Exoplanet Watch program seeks citizen scientists to help track planets outside our solar system, also known as exoplanets. Participants can use their own telescopes to look for exoplanets or study data from other telescopes using a computer or smartphone.

“With Exoplanet Watch you can learn how to observe exoplanets and do data analysis using software that actual NASA scientists use,” Rob Zellem, the creator of Exoplanet Watch and an astrophysicist at NASA’s Jet Propulsion Laboratory (JPL) in California, said in a statement. “We’re excited to show more people how exoplanet science is really done.”

Related: 10 amazing exoplanet discoveries

The Exoplanet Watch program began in 2018 under NASA’s Universe of Learning — one of the agency’s Science Activation programs that enables anyone to experience how science is done and discover the universe for themselves. 

At that time, there were limits on how many people could help look through the data collected by other telescopes. Now, the program is more widely accessible, allowing anyone to download and analyze the data, according to the statement. 

There are more than 5,000 confirmed exoplanets and the potential for millions more that have yet to be discovered. These worlds feature a wide array of characteristics, like having twin suns, scorching hot surface temperatures or clouds made of glass. 

The majority of exoplanets have been found using the transit method, which involves looking for a slight dimming of the host star as the planet passes in front of it. The time between transits reveals how long it takes an exoplanet to orbit its parent star, and the more transits that are measured, the more precisely the length of the orbit is known. And if you have your own telescope, Exoplanet Watch can help you learn how to detect exoplanet transits, no matter the size of the telescope you’re using. 

There are potentially hundreds of billions of exoplanets in the Milky Way and many of them are likely to have conditions suitable for life. (Image credit: ESA/Hubble, N. Bartmann)

“Exoplanet Watch combines observations of the same target by multiple sky watchers in order to get a higher-fidelity measurement,” according to the statement. “Combining observations is also useful if the planet’s transit lasts longer than the time a star is visible in the sky for a single observer: Multiple participants at different locations around the globe can collectively watch the duration of a long transit.” 

Joint observations aided in the discovery of an exoplanet called HD 80606 b, which NASA’s James Webb Space Telescope will observe later this year. This planet was detected using combined observations from more than 20 Exoplanet Watch participants.

“I hope this program lowers barriers to science for a lot of people and inspires the next generation of astronomers to join our field,” Zellem said in the statement. 

Even if you don’t own a telescope you can participate in Exoplanet Watch. The program allows amateur astronomers to look through 10 years’ worth of exoplanet observations collected by a small ground-based telescope south of Tucson, Arizona. New data from two telescopes at JPL’s Table Mountain facility in Southern California will also be added to the program’s database this year for participants to review. 

Using this data helps refine planet transit measurements and identify any variations in the apparent brightness of stars, which could be an indication of outbursts of light, called flares, or dark spots on a star’s surface. 

“Having volunteers sort through the data will save significant computing and processing time,” according to the statement. “This work will help scientists anticipate the variability of a particular star before they study its exoplanets with large, sensitive telescopes like NASA’s James Webb Space Telescope.”

Follow Samantha Mathewson @Sam_Ashley13. Follow us on Twitter @Spacedotcom and on Facebook.





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