Collision of Two White Dwarf Stars Offers Clues About Rare Cosmic Events - The Wall Street Journal

1. Collision of Two White Dwarf Stars Offers Clues About Rare Cosmic Events  The Wall Street Journal
2. Two stars merged to form massive white dwarf  Phys.org
3. Astronomers Solve the Puzzle of a Massive White Dwarf Star With a Bizarre Atmosphere  SciTechDaily
4. Weird star was born when two white dwarfs merged instead of blowing up  New Scientist
5. Ultra-massive white dwarf star is like none ever seen before, say scientists  The Independent
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