Astronomy Big Bang Cosmology Exoplanets

Questions About the Accretion Model of Planet Formation

The most common explanation for the formation of planet Earth is that it formed by gravitational collapse from a cloud of particles (gas, ice, dust) swirling around the Sun.  Specifically, the idea is that small planetesimals form as the various particles clump together (perhaps initially by cohesion, then by gravity), eventually growing into planets.  Known Read More…

Astronomy Science

Partial Solar Eclipse – October 23, 2014

Slightly off topic from the regular fare, but firmly in the ‘cool science stuff’ category. Photo of the partial eclipse this afternoon, taken in front of our house, with massive sunspot region 12192 visible near center: Equipment: Panasonic DMC-ZS3 with a Starmax 127EQ telescope and solar filter.  Also required: patience. I’m pretty happy with how Read More…

Astronomy Computing, AI, Cybernetics and Mechatronics Intelligent Design News Science

MAN ON THE MOON + 45 years, Sunday, July 20 1969, 20:18 GMT . . .

This weekend, the Apollo 11 Moon Landing happened forty-five years ago to day and date.  Video: [youtube lRwKUScppvQ] I remember sitting on the stone ledge of our patio after church on Sunday, July 20, 1969 sipping a drink as radio carried the story of the Apollo 11 Moon landing. Then, that evening my Dad tuned Read More…