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Einstein's Theory of Gravitation

Capturing the first image of a supermassive black hole using the Event Horizon Telescope (EHT). This image of the black hole at the center of the nearby galaxy M87 reveals how gravitation affects the ...
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Star Clusters

Stars are often gregarious things. Based on observation and theoretical models, many stars are born in clusters — groups of ten or more stars that were formed from the same interstellar cloud. The ...
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Phoenix Cluster Sets Record Pace at Forming Stars #0

The image on the left shows the newly discovered Phoenix Cluster, located about 5.7 billion light years from Earth. This composite includes an X-ray image from NASA's Chandra X-ray Observatory in ...
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ITAMP Postdoctoral Fellows

Click on the fellow's home institution to see the home page when available.
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Event Horizon Telescope Makes Highest-Resolution Black Hole Detections from Earth

The Event Horizon Telescope (EHT) Collaboration has conducted test observations achieving the highest resolution ever obtained from the surface of the Earth, by detecting light from the centers of ...
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Scientists Make First-Ever Detection of Mid-IR Flares in Sgr A*

An international team of scientists, including multiple astronomers from CfA, have made the first-ever detection of a mid-IR flare from Sgr A*. National Harbor, MD - Using the James Webb Space ...
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Ready for its Close-up: New Technology Sharpens Images of Black Holes

Using new computational algorithms, scientists have measured a sharp ring of light predicted to originate from photons whipping around the back of a supermassive black hole. Cambridge, MA – When ...
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The Most Precise Accounting Yet of Dark Energy and Dark Matter

Analyzing more than two decades' worth of supernova explosions convincingly bolsters modern cosmological theories and reinvigorates efforts to answer fundamental questions. Cambridge, MA – ...
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Gigantic Cavity in Space Sheds New Light on How Stars Form

Cambridge, MA-- Astronomers analyzing 3D maps of the shapes and sizes of nearby molecular clouds have discovered a gigantic cavity in space. The sphere-shaped void, described today in The ...
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The Tilt in our Stars: The Shape of the Milky Way's Halo of Stars is Realized

New data throws out the textbook picture of a spherical stellar halo and reinforces a dynamic origin story of two galaxies that collided billions of years ago. Cambridge, Mass. – A new study has ...
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M87* One Year Later: Proof of a Persistent Black Hole Shadow

CfA astronomers helped lead a study discovering changes in the bright ring around M87's black hole, confirming the theoretical understanding of the variable and turbulent flow of material around black ...
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Alien Planet Found Spiraling to its Doom around an Aging Star

Cambridge, Mass. – For the first time, astronomers have spotted an exoplanet whose orbit is decaying around an evolved, or older, host star. The stricken world appears destined to spiral closer and ...