Below is the night sky at Cerro Tololo, including the Galactic plane and the zodiacal light, which is sunlight scattered off interplanetary dust between the Earth and the Sun. (Image by Roger Smith.)
Astronomy 101 (Basic Astronomy), Spring 2012
Astronomy 111 (Basic Astronomy with Lab), Spring 2012
Right Ascension and Declination of the Sun for 2012
Solar eclipses from 1901 through 2051
Right Ascension and Declination of the Moon for 2012
Lunar eclipses from 1901 through 2051
The Moon's motion in the horizon coordinate system
Experiment to measure the distance to asteroid 1996 HW1
How can we determine properties of dust in other galaxies?
Meeting in Cairo, plus images from there and Paris (April 2008)
Some reasons why climate changes on Earth
The cosmological distance ladder
Look-back time, the age of the universe, and the case for a positive cosmological constant (an article published in 1993 in the Journal of the RAS of Canada).
Astronomy research at Texas A&M
Type Ia supernovae and the ESSENCE supernova survey
Being remembered through scientific achievement
Strange cases from the files of astronomical sociology
Cook's Branch workshop on Type Ia supernovae, 12-14 April 2012
This is an image of the burn-up of a Space Shuttle fuel tank, just south of the Big Island. It was taken at the 9200-ft level of Mauna Kea by William Albrecht in April of 1984. The view is to the southeast.
Last modified on 4 May 2012.
Please address any comments to: krisciunas@physics.tamu.edu