adUnits.push({
code: ‘Rpp_ciencia_espacio_Nota_Interna1’,
mediaTypes: {
banner: {
sizes: (navigator.userAgent.match(/iPhone|android|iPod/i)) ? [[300, 250], [320, 460], [320, 480], [320, 50], [300, 100], [320, 100]] : [[300, 250], [320, 460], [320, 480], [320, 50], [300, 100], [320, 100], [635, 90]]
}
},
bids: [{
bidder: ‘appnexus’,
params: {
placementId: ‘14149971’
}
},{
bidder: ‘rubicon’,
params: {
accountId: ‘19264’,
siteId: ‘314342’,
zoneId: ‘1604128’
}
},{
bidder: ‘amx’,
params: {
tagId: ‘MTUybWVkaWEuY29t’
}
},{
bidder: ‘oftmedia’,
params: {
placementId: navigator.userAgent.match(/iPhone|android|iPod/i) ? ‘22617692’: ‘22617693’
}
}]
});
Metrewave giant radio telescopeGMRT) from India managed to find radio signal from 8.8 billion years ago.
This sign hydrogen it would break the previous distance record and could provide new information about the origin of the universe, estimated to be 13.8 billion years old.
scientific record
hydrogen it is a key component of the cosmos. Whether reduced to a charged nucleus or folded into a molecule, the nature of its presence can tell you a lot about the characteristics of the universe on the largest scales.
“The galaxy emits various types of radio signals,” says cosmologist Arnab Chakraborty of McGill University in Canada. “Until now, it has only been possible to capture this particular signal from a neighboring galaxy, limiting our knowledge to those galaxies that are closest to Earth.”
In this case radio signal released hydrogen atomic is a light wave 21 centimeters long. Long waves are not very energetic and the light is not intense, making them difficult to detect at a distance; the previous time record was only 4.4 billion years.
Because of the long distance he traveled before he was intercepted GMRTThe 21-centimeter emission line was stretched by expanding space to 48 centimeters, a phenomenon described as the redshift of light.
“In this particular case, the signal is deflected due to the presence between the target and the observer of another massive body, another galaxy,” says astrophysicist Nirupam Roy from the Indian Institute of Sciences. “This effectively magnifies the signal by a factor of 30, allowing the telescope to pick it up.”
A New Look
The results of this study will give astronomers hope that they will be able to make other similar observations in the near future: distances and retrospective times that were previously out of range are now within reasonable limits. If the stars align,
hydrogen Atomic gas is formed when hot ionized gas from all over the galaxy begins to fall on it, cooling along the way. Eventually it becomes hydrogen molecular, and then stellar.
The ability to look back in time can tell us more about how our own galaxy formed in the beginning, as well as guide astronomers to a better understanding of how the universe behaved when it first began.
We recommend METADATA, the RPP technology podcast. News, analytics, reviews, recommendations and everything you need to know about the tech world.
Source: RPP
I am Ben Stock, a passionate and experienced digital journalist working in the news industry. At the Buna Times, I write articles covering technology developments and related topics. I strive to provide reliable information that my readers can trust. My research skills are top-notch, as well as my ability to craft engaging stories on timely topics with clarity and accuracy.