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"It doesn't matter to us, though, we'll be dead," says Tim. "It's a matter of knowing how stars work we understand the sun pretty well, but the more we observe other stars the better we can understand our own Sun."
A team of scientists from Australia, Europe and the US, this week presents the results of a study using NASA's space based Kepler telescope which looks in detail at the way stars vibrate. This turbulent motion makes a star oscillate or vibrate and also causes it to grow and shrink in size, temperature and brightness. Studying the way the oscillations travel through them provides clues to the stars' sizes, ages and structures, much like earthquakes travelling through the Earth can reveal the layered structure of the planet's interior.
Astronomers study the sound of stars
"Because we have stars of so Adidas Harden Red White
Vital signs of stars
The vibrations also create a low pitched sound, which Daniel has sped up one million times, creating a spooky soundfile and bringing the oscillations within the range of human hearing. Listen to it here.
The Kepler mission was launched in March 2009, to search for planets around roughly 150,000 stars. "We're essentially taking the vital signs of these stars, measuring their size, structure, and age, using methods that will also be useful for planet hosting stars," says astronomer Jorgen Christensen Dalsgaard, from Aarhus University, Denmark, who leads the research into the stars' structure. Being larger, Gemma resonates with a deeper sound, much like a cello sounds deeper than a violin.
A COMPREHENSIVE STUDY of the vibrations or 'starquakes' of thousands of distant stars is giving astronomers new insight into how stars work.
instrument, stars resonate with several frequencies at once. The audio file was created by taking the frequencies of one star's oscillations (in light) as observed by Kepler over a short period. These frequencies were synthesised on a computer and sped up by one million times. The audio file is actually one star being joined by a second, a third, and a fourth with a new Adidas Neo High Tops Price
He and Daniel also looked at thousands of giant stars that represent the eventual fate of our own Sun. The study confirmed our Sun's fate is sealed in about six billion years when it will gradually swell to become a giant star, ultimately stretching out close to Earth's current orbit.
many different types, we can compare them to theories of how stars form in our galaxy," says Daniel. "It shows us our theoretical picture Adidas Energy Boost 2 Atr Running Shoes Review of the Milky Way is accurate."
star coming in every 15 seconds.
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