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The Marshall Star for February 21, 2024

By Jessica Barnett ....

United Kingdom , Southwest Research Institute , United States , Mississippi State University , New Horizons , Goddard Space Flight Center , San Antonio , Bill Hill , Celine Smith , Tia Ferguson , Sravani Vaddi Arecibo , Leslie Smith , Joseph Pelfrey , Matthew Ramsey , Osase Omoruyi , Alex Doner , Jeff Haars , Jessica Barnett , Alan Stern , Mallory James , Rae Ann Meyer , Wayne Smith , Bob Conway , Danne Blackburn , Mission Assurance At Marshall , Marshall Office Of Communications ,

Stellar Beads on a String

Astronomers have discovered one of the most powerful eruptions from a black hole ever recorded in the system known as SDSS J1531+3414 (SDSS J1531 ....

United Kingdom , United States , Osase Omoruyi , Sravani Vaddi Arecibo , Michael Florian University Of Arizona , Hakon Dahle University Of Oslo , Stefi Baum University Of Manitoba , Preeti Kharb National Centre For Radio Astrophysics , Goddard Space Flight Center , Aimee Schechter University Of Colorado Boulder , Rebecca Nevin Fermi National Accelerator Laboratory , Matthewb Bayliss University Of Cincinnati , Bryan Terrazas Columbia University , Chandrax Ray Center , Christopher Odea University Of Manitoba , Smithsonian Astrophysical Observatory Chandrax Ray Center , Marshall Space Flight Center , Timothy Davis Cardiff University , Michael Mcdonald Massachusetts Institute Of Technology , Keren Sharon University Of Michigan , Michael Gladders University Of Chicago , Tata Institute Of Fundamental Research , X Ray Observatory , Low Frequency Array , Hubble Space Telescope , Atacama Large Millimeter ,

How the famed Arecibo telescope fell—and how it might rise again


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On 1 December 2020, the 900-ton instrument platform of the Arecibo Observatory crashed into its dish, which is cradled in a natural sinkhole.
RICARDO ARDUENGO/AFP VIA GETTY IMAGES
How the famed Arecibo telescope fell and how it might rise again
Jan. 14, 2021 , 11:52 AM
In the early morning of 10 August 2020, Sravani Vaddi, a postdoc astronomer at the Arecibo Observatory in Puerto Rico, was working from home, but her thoughts were at Arecibo’s giant radio telescope. At 2 a.m., she had one precious hour to focus the 305-meter dish on NGC 7469, a distant galaxy. At its center, two supermassive black holes wheeled around each other, following an earlier galaxy merger. Vaddi wanted to see whether having two dark hearts instead of the usual one made the galaxy shine more brightly by stirring up gases and stoking starbirth. Radio emissions from the glowing gases would help her find out. ....

University Of Arizona , United States , Puerto Rico , West Virginia , Sravani Vaddi , Michael Nolan , Richard Behnke , Daniel Clery , Anish Roshi , Robert Lark , Danielk Inouye , Thornton Tomasetti , Joan Schmelz , Robert Kerr , Sean Jones , Joanna Rankin , John Abruzzo , Elstner Associates , University Of Puerto Rico , University Of Central Florida , National Science Foundation , Cardiff University , Robertc Byrd Green Bank Telescope , Pentagon Advanced Research Projects Agency , Cornell University , Green Bank Observatory ,