Translation. Region: Russian Federal
Source: People's Republic of China in Russian – People's Republic of China in Russian –
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Source: People's Republic of China – State Council News
BEIJING, July 14 (Xinhua) — Astronomers have begun searching for traces of the Big Bang using a radio telescope installed at an altitude of 5,250 meters above sea level in southwest China's Xizang Autonomous Region.
The AliCPT-1 radio telescope has captured the first images of the Moon and Jupiter at 150 GHz, marking a key step toward probing primordial gravitational waves, the Institute of High Energy Physics of the Chinese Academy of Sciences (IHEP CAS) announced on Sunday.
Gravitational waves are faint whispers from the dawn of time that may hold the key to explaining how the universe came into being.
Imagine the universe at birth; primordial gravitational waves would be its very first cry. Born from quantum fluctuations in spacetime during the inflationary stage, primordial gravitational waves are thought to be the most pristine ripples ever recorded in the universe.
In this regard, probing primordial gravitational waves is important for testing the Big Bang theory, the quantum theory of gravity.
“If we successfully detect primordial gravitational waves, we will be able to see the Universe at the very first moment of its existence,” said Xinmin Zhang, the principal investigator of the AliCPT-1 project and a senior researcher at the IHEP.
“At the same time, it could lead to breakthroughs in cutting-edge technologies such as cryogenic superconducting detectors and cryogenic readout electronics, bringing cosmology into an era of unprecedented precision,” the scientist added.
The construction of the radio telescope took eight years. The project involved 16 research institutions, including the National Astronomical Observatory of the ANC and Stanford University in the United States.
According to the results of the study, the list of areas on Earth suitable for probing primary gravity waves includes only Antarctica, the Atacama Desert in Chile, the Qinghai-Xizang Plateau and Greenland, said project leader Liu Congzhan.
Obtaining images of the Moon and Jupiter is just the beginning. The AliCPT-1 radio telescope fills a gap in China and, together with devices in Antarctica and Chile, forms a global network, said IHEP researcher Li Hong of the ANC. -0-
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