As we peer through our telescopes, many of us have momentarily blinked while trying to view a challenging object. We don’t expect them to blink back at us. But 9th-magnitude NGC 6826 in Cygnus does — ...

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The Hubble Space Telescope captured this image of Planetary Nebula NGC 6826 Jan. 27, 1996. SISTINE will image NGC 6826 during its first flight to calibrate its instruments. Disclaimer: AAAS and ...

Amazing glowing nebulae resembling cosmic candy take center stage in a group of new photos unveiled Wednesday by the science team behind NASA's Chandra X-ray Observatory. The pictures are part of a ...

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This gallery shows four planetary nebulas from the first systematic survey of such objects in the solar neighborhood made with NASA’s Chandra X-ray Observatory. The planetary nebulas shown here are ...