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  • This artist concept illustrates the new view of the Milky Way. The galaxy two major arms can be seen attached to the ends of a thick central bar, while the two now-demoted minor arms are less distinct and located between the major arms.
    NASA/JPL-Caltech
    Popular theory about our galaxy’s fate might be wrong, astronomers say
  • China's Tianwen-2 spacecraft launched atop a Long March-3B carrier rocket from the Xichang Satellite Launch Center in southwest China's Sichuan Province on May 29.
    Cai Yang/Xinhua/Sipa USA
    China mission lifts off to explore two unusual objects that haven’t been visited by spacecraft before
  • A wide field composite image shows ASKAP J1832 in X-ray, radio, and infrared light.
    NASA/CXC/ICRAR/Curtin University/Z. Wang et al/JPL/CalTech/IPAC/SARAO/MeerKAT/SAO/N. Wolk
    Pulsing object in space is ‘unlike anything we have seen before,’ astronomers say
  • This image, taken with the Atacama Large Millimeter/submillimeter Array (ALMA), shows the molecular gas content of two galaxies involved in a cosmic collision. The one on the right hosts a quasar –– a supermassive black hole that is accreting material from its surroundings and releasing intense radiation directly into the other galaxy. 
 Astronomers used the X-shooter instrument at ESO’s Very Large Telescope (VLT) to detect the quasar’s light as it passes through an invisible halo of gas surrounding the galaxy on the left. In doing so, they could observe the damage that this radiation causes to the victim, disrupting its clouds of gas and hampering its ability to form new stars.
    ALMA (ESO/NAOJ/NRAO)/S. Balashev and P. Noterdaeme et al.
    Galaxies battle in ‘cosmic joust’ witnessed by astronomers for the first time
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