Limestone world gobbled by planet-eating white dwarf

Shower of carbon crumbs points to existence of puzzling exoplanet

White Cliffs of Dover

An exoplanet torn apart by its dead sun might have been slathered in calcium carbonate, a mineral also found in the White Cliffs of Dover (pictured).

Immanuel Giel/Wikimedia Commons (CC BY-SA 3.0)

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Astronomy

From the Nature Index

Paid Content