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 ...

About 650 light-years from here, in the constellation Aquarius, lies the planetary nebula ... white dwarf remained constant between 1992 and 2002, with a subtle regular variation every 2.9 hours.

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 ...

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 ...

A new animated map sheds light on the superhot "zombie star" at the heart of a nebula leftover ... of Pa 30 revealed a white dwarf star at the center of the nebula. The superdense object is ...