Tag: Echoes

Light echoes ripple from ancient supernova

Read more: Dust clouds glow thanks to delayed “light echoes” from a supernova, 400 years after light from the original event washed over Earth (Images: X-ray: NASA/CXC/Rutgers/J Warren/J Hughes; Optical …

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X-ray ‘Echoes’ Probe Monster Black Hole’s Habitat

Astronomers using data from the European Space Agency’s XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. When the black …

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ESA Euronews: Echoes from the Big Bang

Scientists are getting closer than ever to understanding the origins of the Universe. For the first time, they have glimpsed behind the veil that covers the ‘Big Bang’ with the …

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Echoes of a Dying Star

The explosive death of a star leaves an imprint on the galaxy. From the Spitzer Space Telescope.