Planetary Nebula BD+30-3639
Planetary Nebula BD+30-3639
NASA
This composite image of BD+30-3639 shows a hot bubble of multimillion degree gas surrounding a dying, Sun-like star that is about 5,000 light years from Earth.
The distance across the bubble is roughly 100 times the diameter of our solar system.
Image credit: X-ray: NASA/STScI/Univ. MD/J.P.Harrington Larger image
