Extraterrestrial hunters are looking for signatures broadcast by ‘interstellar beacons’ using telescopes
If aliens use an interstellar beacon to contact the earth, scientists from the SETI Institute will find it.
The team believes that advanced life forms have placed a channel in the center of the galaxy and are developing techniques to detect technology signatures.
SETI scientists are developing a system that “piggyback” from the Very Large Array (VLA) telescope in New Mexico to identify abnormalities in the stellar “light curves” and listen to “techno signatures” – both signs of advanced extraterrestrial civilizations.
A wealth of nearly two petabytes of data was released on Thursday from “the most extensive investigation to date of radio emissions from the Milky Way aircraft and the region around the central black hole,” which SETI encourages the public to sift through.
Scroll down for video
SETI scientist develops a system that uses piggybacks from the Very Large Array (VLA) telescope in New Mexico to identify abnormalities in stellar “light curves” and listen to “techno signatures” – both signs of advanced extraterrestrial civilizations
The project, called Breakthrough Listen, is supported by a grant from Yuro Milner, a Russian billionaire who said to the American Association for the Advancement of Science: “For the whole of human history we had a limited amount of data to look for life beyond the earth. “
“So we could only speculate.”
“Now we get a lot of data, we can do real science – and by making this data available to the general public, anyone who wants to know the answer to this deep question can.”
Many scientists believe that the first creatures found in distant worlds will be in the form of small bacteria that live under rocks on Mars or in the icy ocean of the moon Titan of Saturn.
If aliens use an interstellar beacon to contact the earth, scientists from the SETI Institute will find it. The team believes that advanced life forms have placed a channel in the center of the Milky Way and are developing techniques to detect signatures of the technology (stock)
Dr. Andrew Siemion with SETI, however, believes that “techno signatures” will be the first clue.
“The first is the search for chemical signatures of planets and the second is the search for alien intelligence.”
SETI forms partnerships around the world in its search for extraterrestrial life, as the group announced its alliance with NASA in October to use its Transiting Exoplanet Survey Satellites (TESS) to search for ‘techno signatures’ in deep space.
The partnership between NASA and SETI was announced at the International Astronautical Congress in Washington, DC.
The collaboration between TESS and Listen will expand the target list of Breakthrough Listen (with more than 1000 ‘interesting objects’ identified by TESS); refine Listen’s analysis strategy (for example, use new knowledge about planetary alignments to predict when it is more likely that transmissions will occur); and provide more meaningful statistics in the case of non-detections.
SETI forms partnerships around the world in its search for extraterrestrial life, as the group announced its alliance with NASA in October to use its Transiting Exoplanet Survey Satellites (TESS) to search for ‘techno signatures’ in deep space
Dr. S. Pete Worden, executive director of breakthrough initiatives, said: “It is exciting that the world’s most powerful SETI search, with our partner facilities around the world, will work with the TESS team and our most capable planet hunting machine. . “
“We look forward to working together and trying to answer one of the most profound questions about our place in the universe: are we alone?”
The recorded data is analyzed for ‘techno signatures’, which are created by technologies of advanced civilizations and occur in various forms, such as radio waves, transmitters and propulsion equipment.
NASA announced the partnership with SETI scientists in October. The team scans hundreds of exoplanets (pictured is a concept drawing of K2-18b)
Researchers will also look for anomalies in the stellar “light curves” that TESS collects, because such peculiarities may be caused by orbit built by advanced civilizations built around megastructures.
And the organization already has a few goals in mind – in particular interstellar visitors Oumuamua and Borisov.
Dr. Andrew Siemion, leader of the breakthrough listening science team said: “The discovery by the Kepler spacecraft of Boyajian’s Star, an object with wild, and seemingly random, variations in its light curve, led to great excitement and a range of possible explanations, including megastructures were just one. “
WHAT IS THE VLA TELESCOPE?
The Very Large Array (VLA) is a telescope found in New Mexico, USA and is a collection of 27 antennas in New Mexico.
The VLA consists of twenty-seven 25-meter radio telescopes that are deployed in a Y-shaped array and all the equipment, instruments and computing power to act as an interferometer.
Each of the 27 dishes has a diameter of 82 feet (25 meters) and weighs 230 tons (209 tons).
It was first seen in 2016 by the Very Large Array (VLA) telescope in New Mexico using radio signals (photo). The scientists concluded that this was not a “brown dwarf” or a failed star, but a free-floating planet
The VLA is located at an altitude of 2124 m above sea level. It is part of the National Radio Astronomy Observatory (NRAO).
It is designed to pick up radio signals and to help recognize young planets from outside our solar system.
It works in combination with the Atacama Large Millimeter / submillimeter Array (ALMA) telescope in Chile.
“Follow-up observations have suggested that dust particles in orbit around the star are responsible for dimming, but studies of abnormalities such as this increase our knowledge of astrophysics and cast a broader net in the search for techno signatures.”
Up to 10,000 new planets are expected to be found from TESS, many of which are considerably closer to Earth than Kepler’s.
In April 2018, SpaceX launched the $ 337 million TESS from NASA into space, which is equipped with four cameras that allow it to view 85 percent of the entire sky, while the exoplanets search around stars for less than 300 light years.
Two months ago, TESS was discovered as a super-earth exoplanet just 31 light-years away in the so-called habitable zone, an area far enough from its star not to be too hot, but close enough not to be too cold.
In this region, liquid water may appear on the surface of a planet if it is rocky, although further research is needed to determine whether the atmosphere of GJ 357d is dense and warm enough to accommodate liquid water.
WHAT IS THE TESS SPACE VEHICLE?
The new planet hunter from NASA, set up as the successor to Kepler, is equipped with four cameras that can view 85 percent of the entire sky, while the exoplanets search around stars less than 300 light-years away.
By studying objects much clearer than the Kepler goals, it is hoped that TESS can find new clues about the possibility of living elsewhere in the universe.
The four widescreen cameras will view the sky in 26 segments, each of which is observed one by one.
In the first year of operation, it maps the 13 sectors that together form the southern sky.
Then, the following year, it will scour the northern sectors.
“We have heard from Kepler that there are more planets than stars in our sky, and now TESS will open our eyes to the variety of planets around some of the closest stars,” said Paul Hertz, director of Astrophysics Division at NASA headquarters.
“TESS will throw a wider net than ever before for enigmatic worlds whose properties can be explored by NASA’s forthcoming James Webb Space Telescope and other missions.”
Tess is 1.5 meters wide and is shorter than most adults.
The observatory is 1.2 meters wide, excluding the solar wings, which are folded for launch, and weighs only 362 kilos.
NASA says it’s somewhere between the size of a fridge and a stacked washer and dryer.
Tess strives for a unique elongated orbit that passes on one side within 45,000 miles of the earth and on the other as far away as the orbit of the moon.
It takes two weeks for Tess to circle the earth.