A group of astronomers, including Penn State scientists, has announced the likely discovery of a highly obscured black hole existing only 850 million years after the Big Bang, using NASA’s Chandra X-ray Observatory. This is the first evidence of a cloaked black hole at such an early time. Black holes produce quasars Supermassive black holes ...
Time travel is something that is often presented as a fantasy. The idea that a human being can travel into the future is believed to be impossible. However, you may be surprised to know that a Russian cosmonaut has already traveled into the future. The time traveler Sergei Krikalev is a veteran space traveler who ...
Astronomers have discovered rapidly swinging jets coming from a black hole almost 8,000 light-years from Earth. Published today in the journal Nature, the research shows jets from V404 Cygni’s black hole behaving in a way never seen before on such short timescales. The jets appear to be rapidly rotating with high-speed clouds of plasma — ...
In 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) made history when it detected gravitational waves for the first time, something that Albert Einstein had proposed almost a hundred years ago. Now, it is getting a significant upgrade that will improve the instrument’s sensitivity to gravitational waves. Funds for LIGO upgrade In total, the LIGO project will receive ...
What is a black hole? In an article that has just appeared in the journal Nature Astronomy, LMU philosopher Erik Curiel shows that physicists use different definitions of the concept, depending on their own particular fields of interest. It is conventionally thought of as an astronomical object that irrevocably consumes all matter and radiation that ...
An unusual supernova studied by multiple telescopes, including the SOAR telescope and other telescopes at the National Science Foundation’s (NSF) Cerro Tololo Inter-American Observatory (CTIO) and NSF’s Kitt Peak National Observatory (KPNO), is thought to herald the birth of a new black hole or neutron star, caught at the exact moment of its creation. Observations ...
Astronomers at ANU have found the fastest-growing black hole known in the Universe, describing it as a monster that devours a mass equivalent to our sun every two days. The astronomers have looked back more than 12 billion years to the early dark ages of the Universe, when this supermassive black hole was estimated to ...
A Columbia University-led team of astrophysicists has discovered a dozen black holes gathered around Sagittarius A* (Sgr A*), the supermassive black hole in the center of the Milky Way Galaxy. The finding, which has been published in Nature, is the first to support a decades-old prediction, opening up myriad opportunities to better understand the universe. Astrophysicist Chuck Hailey, ...
In the real world, your past uniquely determines your future. If a physicist knows how the universe starts, he or she can calculate its future for all time and all space. But a UC Berkeley mathematician has found some types of black holes in which this law breaks down. If someone were to venture into ...
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