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On November 30, the world stopped turning for the approximately 250 students of Earth as a Planet: Exploring Our Place in the Universe (PHSC 10800) when the professor Fred Ciesla sent an email titled “Important: Moon Journal Grades”. While on the surface, Ciesla’s email and what prompted it seemed like a run-of-the-mill academic integrity scandal,...
Multiple exploding stars may have seeded the solar system with material required to form planets.
From stardust to pale blue dot: Carbon’s interstellar journey to Earth We are made of stardust, the saying goes, and a pair of studies including University of Michigan research finds that may be more true than we previously thought. The first study, led by U-M researcher Jie (Jackie) Li and published in Science Advances, finds that most of the carbon on Earth was likely delivered from the interstellar medium, the material that exists in space between stars in a galaxy. This likely happened well after the protoplanetary disk, the cloud of dust and gas that circled our young sun and contained...
Saturday night and early Sunday morning will be peak time for the Eta Aquariids meteor shower, an annual astronomical event that should be visible this weekend once you escape the light pollution of Chicago.
Analysis by UChicago scientists reverses earlier findings, suggests large temperature swings A new analysis of ceramic chips embedded in meteorites suggests the formation of our solar system was not as quiet and orderly as we once thought. A new study from University of Chicago scientists builds evidence that the baby solar system likely witnessed wild temperature swings and changing conditions—contradicting the decades-old theory that the solar system had gradually and steadily cooled following the formation of the Sun. Published Jan. 6 in Science Advances, the stud...