June 16, 2024
1 Solar System Way, Planet Earth, USA

Spitzer offers scientists insight into the feeding habits of black holes

43 Using data from NASA's retired Spitzer Space Telescope, scientists have gained new insights into the feeding habits of supermassive black holes at the centers of galaxies across the universe. These black holes often fluctuate in brightness due to the huge clumps of cosmic material falling into them. However, this is not true for black

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How do scientists weigh planets and other celestial objects?

How do scientists weigh celestial objects? Mike Sackheim Evanston, Illinois It's true that you can't simply place a planet or galaxy on a scale to measure its weight. Fortunately, astronomers have a few tricks up their sleeves. The first trick is to understand that gravity and mass are inherently linked. It is important to note

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