Mystery Alignment of Dying Stars Puzzles Scientists
Dying stars that are among the most beautiful objects in the universe tend to line up across the night sky, and astronomers aren’t sure why.
These “cosmic butterflies” — actually a certain type of planetary nebula — all have their own formation histories, and they don’t interact with each other. But something is apparently making them dance in step, scientists using NASA’s Hubble Space Telescope and the European Southern Observatory’s New Technology Telescope (NTT) have discovered.
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Mystery Alignment of Dying Stars Puzzles Scientists

Dying stars that are among the most beautiful objects in the universe tend to line up across the night sky, and astronomers aren’t sure why.

These “cosmic butterflies” — actually a certain type of planetary nebula — all have their own formation histories, and they don’t interact with each other. But something is apparently making them dance in step, scientists using NASA’s Hubble Space Telescope and the European Southern Observatory’s New Technology Telescope (NTT) have discovered.

Continue Reading