July 27, 2024
1 Solar System Way, Planet Earth, USA
Astronomy

Is there a possible highest temperature in the universe?

Back to list of articles The theoretical limit may be what is called the Planck temperature, derived using fundamental universal constants. Workers walk past a section of magnets at CERN's Large Hadron Collider, where researchers are probing plasmas like those that filled the early universe. Credit: Samuel Joseph Hertzog/CERN We all accept that the coldest

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Space

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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Discovery

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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