Day in Review: How Many Black Holes Are Hiding? | NASA Awards 2025 Innovative Technology Concept Studies | Space Trivia

An effort to find some of the biggest, most active black holes in the universe provides a better estimate for the ratio of hidden 

Missions __ News __ Galleries __ Events January 13, 2025 Stars and Galaxies How Many Black Holes Are Hiding? NASA Study Homes in on Answer An effort to find some of the biggest, most active black holes in the universe provides a better estimate for the ratio of hidden to unhidden behemoths. Full Story and Animation Technology NASA Awards 2025 Innovative Technology Concept Studies Two researchers at NASA JPL are among those who will be leading studies of futuristic mission concepts. Full Story QUIZ Space Trivia After touching down in November 2018, NASA's retired InSight Mars lander was the first to detect what on Mars? A) Solid water ice B) Methane gas C) Marsquakes D) An ancient ocean View Answer

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