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Potato-shaped planet discovered about 1.8k light years from solar system

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Potato-shaped planet discovered about 1.8k light years from solar system

Astronomers have finally announced that an exoplanet discovered a few years ago is a bit like a potato. The planet, called WASP-103b, is located in the constellation Hercules, about 1,800 light-years away from the solar system.

According to Agence France-Presse, WASP-103b is so close to its star, WASP-103, that it is about 50 times farther from the sun than the earth is, so that the cycle of the planet takes only 22 hours, while the cycle of the earth takes 365 days .

Astronomers first discovered the unusually shaped planet in 2014.

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“WASP-103b is the exoplanet with the highest expected deformation signature in its transit light curve and one of the shortest expected spiral times,” said a study published in the journal Astronomy and Astrophysics.

Measuring the planet’s tidal deformation will allow it to estimate secondary fluid Love numbers and gain insight into WASP-103’s internal structure, the study added. The Love number is a dimensionless parameter that measures the stiffness of a planetary body, and studies have shown that WASP-103b is similar to Jupiter.

“This would allow confinement of the internal structure and composition of WASP-103b, which could provide clues to the expansion of hot Jupiters,” it added.

Suzanne Barros, an astrophysicist at the University of Porto in Portugal, pointed out that if the planet was 1.5 times the mass of Jupiter, its radius would be twice that of Jupiter. Barros predicts that WASP-103b will become very puffy due to the heat of its star, among other mechanisms.

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AFP further reported that scientists hypothesized that WASP-103b had a solid core, covered with a layer of liquid, and surrounded by a gaseous atmosphere — just like Jupiter.

Meanwhile, the study, published in Astronomy and Astrophysics, says that future observations with the James Webb Space Telescope could better constrain WASP-103b’s radial Love number because of their high signal-to-noise Infrared limb dimming features smaller than and smaller.

Complete News Source : Hindustan Times

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Nasa’s old map of Jupiter, which reminds many of dosa, has gone viral once more

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Nasa’s old map of Jupiter, which reminds many of dosa, has gone viral once more

Certain images or videos frequently resurface on the Internet, leaving people speechless. When those clips or pictures are shared again on one social media platform or another, they create a buzz. The National Aeronautics and Space Administration (Nasa) created and posted this image of a map of Jupiter online a few years ago. After being shared on Twitter, the image drew a lot of attention this time. And, as usual, the image made people think of dosa, a popular South Indian dish.

The image was shared by the Twitter account Latest in Space. “From the very bottom of Jupiter, I’m looking up. While tweeting the image, they wrote, “Seen by NASA Cassini.” The images from the Cassini spacecraft’s narrow-angle camera were used to create this out-of-this-world image, which is part of a coloured map series produced by the space agency.

The article was published a few days ago. The tweet has received nearly 20,000 likes since it was shared, and the number is growing. The tweet has been retweeted more than 2,000 times. Take a look at some of the comments to see how the image of Jupiter looks like dosa.

A Twitter user commented, “Looks like a designer dosa.” “When I rush to pick up a call, this is what happens to my dosa on the dosa pan,” one joked. “This is how my mother makes Dosa,” a third said. “Jupiter in the making,” wrote a fourth, along with a photo of someone preparing – you guessed it – dosa.

 

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