“Cooking” a Comet

OK, we didn’t turn on a burner or nuke anything, but the ingredients did change temperature in my demonstration “Cooking a Comet.”  My first presentation was at Grimsley High School where we could throw the finished comet into the woods outside our classroom. The tail was beautiful as our dirty snowball completed its portion of … More “Cooking” a Comet

Possible Observing List for tonight at Cline Observatory March 31, 2017

  It’s raining as I write this blog late on this Friday afternoon. Will the Observatory be open tonight? If it is open, here are some potential targets we might share with the public. EARLY: Moon, Mars, Mercury. PUBLIC PROGRAM M 45, well known in ancient times. Why on M list? 2nd handle star: Pleione, … More Possible Observing List for tonight at Cline Observatory March 31, 2017

Lab Activity:  Finding Exoplanets Introduction The first exoplanet (extra-solar planet) to be detected and confirmed was 51 Pegasi in 1995. This and most of the next 456 exoplanets discovered were detected using the radial velocity (RV) technique. Sometimes called Doppler spectroscopy, this method would detect the slight wobble of a star as the planet orbits … More

“Science lies not in the facts themselves but in their arrangement.”

Miss Leavitt’s Stars: The Untold Story of the Woman Who discovered How to Measure the Universe   By George Johnson Atlas Books, 2005   One night at the observatory a voice in the dark asked “How do I reconcile the information that the Andromeda Galaxy is 2 million light years away with the growing number … More “Science lies not in the facts themselves but in their arrangement.”