Science
Here’s what a Black Hole sounds like, according to internet users
Since 2003, the black hole at the centre of the Perseus galaxy cluster has been linked to sound. Scientists discovered that pressure waves from the black hole rippled up and down in a heated gas cloud, producing a note 57 octaves below middle C, which is beyond human hearing range. Earth is 240 million light-years away from the Perseus galaxy.
This black hole sound machine can now produce a wider range of tones thanks to a new sonification. A new sonification was made available as part of NASA’s Black Hole Week events this year.
This sonification is unlike any other that has been done before (1, 2, 3, 4) in several ways because it revisits genuine sound waves identified in data from NASA’s Chandra X-ray Observatory.
Using sound waves previously identified by astronomers but never heard before, a new sonification of Perseus has been created. A new sonic representation of another well-known black hole has also been revealed. The video that Chandra Observatory shared on Twitter has been viewed by over 161,000 people.
The common belief that there is no sound in space stems from the fact that much of space is effectively a vacuum, preventing sound waves from propagating. However, a large amount of gas surrounds a galaxy cluster, allowing sound waves to pass through it without interference.
The black hole’s eerie noises terrified internet users, and others claimed to see a skull in the footage. Several Twitter users have commented that it sounds like music from a horror film.
Science
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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