Center for Astrophysics
EHT Collaboration
Cambridge, MA – In April 2019, scientists released the first image of a black hole in galaxy M87 using the Event Horizon Telescope (EHT). However, that remarkable achievement was just the beginning of the science story to be told.
Data from 19 observatories released today promise to give unparalleled insight into this black hole and the system it powers, and to improve tests of Einstein’s General Theory of Relativity.
“We knew that the first direct image of a black hole would be groundbreaking,” says Kazuhiro Hada of the National Astronomical Observatory of Japan, a co-author of a new study published in The Astrophysical Journal Letters that describes the large set of data. “But to get the most out of this remarkable image, we need to know everything we can about the black hole’s behavior at that time by observing over the entire electromagnetic spectrum.”
By Jim Shelton
April 14, 2021
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Mislav Baloković, a postdoctoral fellow at the Yale Center for Astronomy and Astrophysics, has a prime viewing spot for the most famous black hole humans have ever seen.
That would be the supermassive black hole in the galaxy M87, located 55 million light years from Earth.
Two years ago, the Event Horizon Telescope Collaboration (EHTC) a global collaboration of astrophysicists and observatories that created a virtual, Earth-sized telescope, released an image of M87. It was the first photograph of a black hole and a technical achievement lauded by scientists around the world.
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On This Day: Polish President Lech Kaczynski dies in plane crash
On April 10, 2010, Polish President Lech Kaczynski, his wife, Maria, and top government officials were among scores killed when their plane crashed while trying to land in a thick fog in western Russia.
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Wreckage of the plane crash site that killed Polish President Lech Kaczynski is seen near Smolensk, in western Russia, on April 10, 2010. File Photo by Alex Natin/UPI | License Photo
On April 10, 1919, Emiliano Zapata, a leader of peasants and indigenous people during the Mexican Revolution, was ambushed and killed in Morelos by government forces. File Photo courtesy of the Library of Congress
The most intimate portrait yet of a black hole
An image provided by ALMA (ESO/NAOJ/NRAO), Goddi et al., shows part of the jet in Messier 87, 6,000 light-years long, shown in polarized light. Two years of analyzing the polarized light from a galaxys giant black hole has given scientists a glimpse at how quasars might arise. ALMA (ESO/NAOJ/NRAO), Goddi et al., via The New York Times.
by Dennis Overbye
(NYT NEWS SERVICE)
.- The Event Horizon Telescope collaboration, an international team of radio astronomers that has been staring down the throat of a giant black hole for years, has published what it called the most intimate portrait yet of the forces that give rise to quasars, the luminous fountains of energy that can reach across interstellar and intergalactic space and disrupt the growth of distant galaxies.