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New class of gamma ray objects found in Milky Way
The exotic world of gamma-ray astronomy has taken yet another surprising turn with the revelation that half the previously unidentified high-energy gamma ray sources in our own galaxy, the Milky Way, actually comprise a new class of mysterious objects.
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Astronomers observe most distant object in Universe
Last week, when astronomers analyzed the spectrum from the quasar they had found, they realized they were seeing light that had left its source at time when the universe was a baby, a mere infant of less than a billion years old. They were looking at the most distant object human beings had ever identified.
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Is the universe infinitely large? Will it expand forever? Did the Universe exist before the Big Bang? Are there other universes than our own?
It may seem incredible that we can ever hope to answer these questions. Yet by exploring the very limits of space and time, we are beginning to make sense of our universe and its story.
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