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Radio signals from distant stars suggest hidden planets: Study

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3 years ago

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Radio signals from distant stars suggest hidden planets: Study

Dr. Benjamin Pope of the University of Queensland and colleagues at ASTRON, the Dutch National Astronomical Observatory, have been using the world’s most powerful radio telescope low-frequency array (LOFAR) in the Netherlands to find planets. “We have found signals from 19 distant red dwarfs, four of which can best be explained by the existence of planets orbiting them,” said Dr. Pope. “We have known for a long time that the planets of our solar system emit powerful radio waves when their magnetic fields interact with the solar wind, but have not yet received radio signals from planets outside the solar system.

“This discovery is an important step in radio astronomy and may lead to the discovery of planets throughout the Milky Way.” In the past, astronomers could only detect the nearest star in a steady radio transmission, and everything else in the radio sky was interstellar gas, or strange gas such as black holes. Now, radio astronomers can see ordinary old stars when making observations. With this information, we can search for any planets around these stars. The team focused on red dwarfs, which are much smaller than the sun and are known to have strong magnetic activity that can drive stellar flares and radio emissions.

But some ancient, magnetically inactive stars have also appeared, challenging traditional understanding. Dr. Joseph Callingham of Leiden University and ASTRON and the lead author of the discovery said that the team believes that these signals come from magnetic connections between stars and invisible orbiting planets, similar to the interaction between Jupiter and its moon Io. “Our own earth has aurora, which is usually considered to be the northern lights and southern aurora, and they also emit powerful radio waves-this is from the interaction of the earth’s magnetic field and the solar wind,” he said.

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“But as far as Jupiter’s aurora is concerned, they are much stronger because its volcanic moon Io is ejecting matter into space, filling Jupiter’s environment with particles, driving the extremely powerful aurora. “Our stellar radio emission model is an enlarged version of Jupiter and Io.

A planet is surrounded by the star’s magnetic field, transporting matter into a huge current, and also powering the bright aurora. “This is a spectacle that has attracted our attention from a light-year away.” The research team now wants to confirm that the proposed planet actually exists. “We can’t be 100% sure that the four stars that we think possess planets are indeed planetary hosts, but we can say that planet-star interactions are the best explanation we have seen,” said Dr. Pope. “Subsequent observations ruled out planets that are more massive than the Earth, but there is nothing to say that smaller planets would not do this.

” The discovery of LOFAR is just the beginning, but the telescope can only monitor stars that are closer, up to 165 light-years away.

News Source : Science Daily

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Music

While a Punjabi vocalist croons, PM Modi replicates Diljit Dosanjh’s beats and beats the table like a dholak. Observe

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3 weeks ago

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January 2, 2025

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While a Punjabi vocalist croons, PM Modi replicates Diljit Dosanjh’s beats and beats the table like a dholak. Observe

Prime Minister Narendra Modi recently met acclaimed singer- actor Diljit Dosanjh, describing their interaction as “very memorable.” 
Prime Minister Narendra Modi met singer-actor Diljit Dosanjh and lauded him as “a combination of talent and tradition.” During the “memorable’ meeting”, the two discussed music, culture, and India’s vibrancy, including yoga.

Diljit, PM Modi match beats

During the meeting, PM Modi praised Diljit for his achievements, saying, “When a boy from a small village in Hindustan shines on the global stage, it feels amazing. Your family named you Diljit, and you keep on winning people’s hearts, just as your name suggests.”

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Diljit responded, “We used to read that ‘Mera Bharat Mahan’ (My India is great), but when I travelled across India, I realised why people say this.” PM Modi highlighted India’s diversity, saying, “India’s vastness is its strength. We are a vibrant society.”

Diljit added, “The greatest magic in India is yoga.” PM Modi agreed, saying, “Those who have experienced yoga know its power.”

The singer-actor also admired PM Modi’s personal journey, saying, “I had watched your interview, sir. The position of Prime Minister is great, but behind it, there is a mother, a son, and a human being. Many times, this half-truth is much larger when you carry your mother and the sacred Ganga with you. That touches the heart.”

Diljit then sang a song on Guru Nanak, as PM Modi listened intently, beating the adjacent table like a dholak, matching his beats with Diljit’s.

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Diljit, PM Modi express grattitude

After the meeting, Diljit Dosanjh expressed his gratitude, calling it a “fantastic” way to start the year. He posted on X, “A fantastic start to 2025. A very memorable meeting with PM @narendramodi Ji. We talked about many things, including music, of course!”

PM Modi responded to Dosanjh’s post, describing their meeting as “a great interaction.” He said, “A great interaction with Diljit Dosanjh! He’s truly multifaceted, blending talent and tradition. We connected over music, culture, and more.”

Diljit recently concluded his Dil-Luminati tour in India with a grand performance in Ludhiana. Throughout his concerts at various venues, the singer aimed to address important social issues during his performances.

In a lighthearted and endearing moment, Prime Minister Narendra Modi was seen enjoying the beats of a Punjabi vocalist, tapping the table in rhythm like a dholak player during a recent cultural event. The video, which has since gone viral, showcases PM Modi replicating the infectious energy of Diljit Dosanjh’s iconic beats, capturing the essence of Punjabi music’s vibrancy and rhythm.

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The event brought together various cultural performers, with one Punjabi vocalist stealing the spotlight. As the singer crooned traditional Punjabi tunes, PM Modi, seated among other dignitaries, began enthusiastically tapping the table in sync with the music. His gestures resembled a seasoned dholak player, displaying his spontaneous connection with the pulsating beats.

The audience present erupted in applause, cheering on the Prime Minister’s engaging participation. Social media users were equally charmed, with many praising Modi’s ability to connect with the cultural diversity of India. “Modi Ji has the rhythm of a true Punjabi!” one user commented, while another said, “This is the energy we love to see in our leader.”

The moment also highlighted PM Modi’s commitment to celebrating India’s rich cultural heritage. His natural enjoyment of the performance reflects his appreciation for the art and music that unify the diverse communities of India.

Such lighthearted and relatable gestures from leaders often resonate deeply with the public, making them feel connected on a personal level.

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#PMModi #DiljitDosanjhBeats #PunjabiMusicVibes #CulturalCelebration #DholakBeats #IndiaUnity #MusicConnects #ViralMoment #PMModiInAction #PunjabiHeritage

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