Drei NASA-Teleskope helfen Astronomen, mehr über das supermassive Schwarze Loch der Milchstraße zu erfahren, das in der neuesten bemerkenswerten Aufnahme des Event Horizon Telescope (EHT) aufgenommen wurde. Das Chandra-Röntgenobservatorium, das NuStar (Nuclear Spectroscopic Telescope Array) und das Neil Gehrels Swift Observatory (Swift) beobachten Röntgenstrahlen von ihren Positionen im Erdorbit aus. Röntgenstrahlen passieren einen Großteil des Gases und Staubes, der die optische Ansicht des Zentrums der Galaxie etwa 27.000 Lichtjahre von der Erde entfernt blockiert. Das neue EHT-Bild des zentralen Schwarzen Lochs der Milchstraße – bekannt als Schütze A* (abgekürzt als Sgr

• Bildanbieter: dpa picture alliance / Alamy Stock Foto
• Bild-ID: 2J9FRWF
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• Format: 3600 x 3600 px | 30,5 x 30,5 cm | 12 x 12 inches | 300dpi
• Aufnahmedatum: 6. Mai 2022
• Fotograf: dpa

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Three NASA telescopes, help astronomers learn more about the Milky Way's supermassive black hole, captured in the latest remarkable image from the Event Horizon Telescope (EHT). The Chandra X-ray Observatory, Nuclear Spectroscopic Telescope Array (NuSTAR), and the Neil Gehrels Swift Observatory (Swift) all observe X-rays from their positions in Earth orbit. X-rays pass through much of the gas and dust that blocks the optical view of the center of the Galaxy some 27, 000 light years from Earth. The new EHT image of the Milky Way's central black hole — known as Sagittarius A* (abbreviated as Sgr A*) shows the area close to the "event horizon, " the boundary of a black hole from which nothing can escape. The image is based on data obtained in April 2017. As reported in our latest release, simultaneous observations with Chandra, Swift and NuSTAR reveal what is happening farther out, where the gravitational forces from Sgr A* impact the surroundings. The main panel of this graphic contains X-ray data from Chandra (blue) depicting hot gas that was blown away from massive stars near the black hole. Two images of infrared light at different wavelengths from NASA's Hubble Space Telescope show stars (orange) and cool gas (purple). These images are seven light-years across at the distance of Sgr A*. A pull-out shows the new EHT image, which is only about 1.8 x 10-5 light-years across (0.000018 light-years, or about 10 light-minutes). Along with the X-ray data from Chandra, NuSTAR, and Swift, scientists in the EHT's 2017 campaign also obtained radio data from the East Asian very long-baseline Interferometer (VLBI) network and the Global 3 millimeter VLBI array; and infrared data from the European Southern Observatory's Very Large Telescope in Chile. Credit: X-ray: NASA/CXC/SAO; IR: NASA/HST/STScI. Inset: Radio (EHT Collaboration) via CNP

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• hubble weltraumteleskop
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