NASA Taps the Power of Zombie Stars in Two-in-One Instrument


This artist’s rendition shows the NICER/SEXTANT payload that NASA recently selected as its next Explorer Mission of Opportunity. The 56-telescope payload will fly on the International Space Station. Credit: NASA

Neutron stars have been called the zombies of the cosmos. They shine even though they’re technically dead, occasionally feeding on neighboring stars if they venture too close. Interestingly, these unusual objects, born when a massive star extinguishes its fuel and collapses under its own gravity, also may help future space travelers navigate to Mars and other distant destinations.

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