Answer questions on astronomy and American space exploration.
Amateur astronomer-32 years, Solar System Ambassador/Saturn Observation Campaign-NASA, columnist in 40 newspapers on the American space program. Presentations to schools-preschool to college for over 30 years.
NASA/JPL-Solar System Ambassador, NASA/JPL-Saturn Observation Campaign
Over 40 newspapers monthly, Associated Press, USA Today Website
AA/BME/MME-Southern Baptist College, Arkansas State University, monthly training telecons-NASA
|Dennis Rioux||11/21/14||10||10||10||My first time asking here at ALLEXPERTS .....|
|Rick||05/03/13||10||10||10||I teach a third grade gifted class .....|
|Tuan Nguyen||11/01/09||10||10||10||Thanks for the helpful information!|
Hi, Deborah-thanks for writing. The Whirlpool galaxy is, like the Milky Way, composed of about a hundred billion stars and lots of gas and dust. It's called the whirlpool as it is a spiral galaxy seen
Hi, Tommy, thanks for writing. History of Comets-for many years considered an omen of doom. Halley discovered a comet, that now bears his name, returned periodically. Comets have been observed since
Hi, George, thanks for writing. According to Einstein's theory of relativity, time slows down as speed is increased, so it is the movement, not space itself that changes progression of time. At the speed
Hi, Nicole, thanks for writing. When you move, an object changes position by the same amount that you have moved. That is, the amount AT THE LOCATION OF THE OBJECT. You would have to move hundreds of
Hi, Michael, thanks for writing. When a number of objects were found beyond Neptune, including one actually larger than Pluto, the International Astronomical Union felt obligated to define a planet, since