Star Formation in the Center of the Milky Way Started at the Core and Then Worked its way out

One of the biggest questions facing astronomers today concerns star formation and its role in the evolution of galaxies. In particular, astronomers are curious whether the process began in the central regions of galaxies, where stars are more tightly bound. Previous observations have shown that numerous galaxies experienced intense periods of star formation in their … Read more

Aerial survey of Kennedy Space Center on the eve of Artemis 1 – Spaceflight Now

NASA’s Artemis 1 moon rocket stands on Launch Complex 39B, behind the iconic Vehicle Assembly Building at the Kennedy Space Center in Florida. Credit: Walter Scriptunas II / Spaceflight Now Spaceflight Now took an aerial tour around the Kennedy Space Center in Florida in the days before the scheduled launch of NASA’s Artemis 1 moon … Read more

Building blocks for RNA-based life abound at center of our galaxy

Credit: CC0 Public Domain Nitriles, a class of organic molecules with a cyano group—that is, a carbon atom bound with a triple unsaturated bond to a nitrogen atom—are typically toxic. But paradoxically, they are also a key precursor for molecules essential for life, such as ribonucleotides, composed of the nucleobases or “letters” A, U, C, … Read more

Say hello to Sagittarius A*, the black hole at the center of the Milky Way galaxy

This article was originally published at The Conversation. The contributed the article to’s Expert Voices: Op-Ed & Insights. Chris ImpeyUniversity Distinguished Professor of Astronomy, University of Arizona On May 12, 2022, astronomers on the Event Horizon Telescope team released an image of a black hole called Sagittarius A* that lies at the center of … Read more

She discovered the black hole at the center of our galaxy. This week, she finally saw it

Credit: EHT Collaboration, CC BY-SA This week, the world got its first-ever look at Sagittarius A*, the supermassive black hole in the center of our galaxy. The image of a hazy golden ring of superheated gas and bending light was captured by the Event Horizon Telescope, a network of eight radio observatories scattered across the … Read more

Psyche asteroid explorer arrives at Kennedy Space Center for launch preps – Spaceflight Now

NASA’s Psyche spacecraft inside the Payload Hazardous Servicing Facility at the Kennedy Space Center in Florida. Credit: NASA/Isaac Watson A US military cargo plane delivered NASA’s Psyche spacecraft from California to the Kennedy Space Center last week, starting a three-month campaign to ready the asteroid explorer for liftoff on a SpaceX Falcon Heavy missile in … Read more