The observation was made at the heart of the Helix Nebula ... variation every 2.9 hours. “We think this X-ray signal could be from planetary debris pulled onto the white dwarf,” said Dr ...

the DwarfLab Dwarf III is an instant must-have smart telescope that can shoot the sun and moon, distant galaxies and nebula, and shoot photos and videos during the day. At its heart is a tiny ...

[Photos: Nebulas in Deep Space] The dying star at the heart of the Helix Nebula is evolving to become a white dwarf, a shrunken ... The main ring of the Helix is about 2 light-years across ...

which go on to form a planetary nebula. It then collapses to form a relatively tiny dwarf star. A composite view made from exposures collected for the Digitized Sky Survey 2 showing the region ...

The "double degenerate" pair of stars will fuse and explode, as illustrated here, in about 700 million years At the centre of a mysterious nebula ... dwarf. Using extra observations of Henize ...

star-forming nebula and is close enough for astronomers to discern its individual stars. The NASA/ESA Hubble Space Telescope has made detailed observations of the dwarf galaxy NGC 2366.

Scientists have found this nebula to exhibit a double-ring structure that evidences not one, but possibly three stars at its heart ... blossoming into a white dwarf. A nebula is formed from ...