(Encyclopedia) bloodstone or heliotrope, green chalcedony spotted with red, used as a gem stone. It is found in India, the United States, Brazil, and Australia.
WHAT IS THE VISIBLE SPECTRUM? WHAT ARE PRIMARY COLORS? HOW MANY COLORS CAN WE SEE? DISPERSIONCOLOR TREEFIND OUT MORELight has different wavelengths, which we see as colors. The range of wavelengths…
ENGLISH, Karan, a Representative from Arizona; born in Berkeley, Calif., March 23, 1949; graduated from Enterprise High School, Redding, Calif., 1967; A.A., Shasta Junior College, Redding,…
WHY IS MARS CALLED THE RED PLANET? WHAT IS MARS’S SURFACE LIKE? FIND OUT MOREThis rocky planet has a thin atmosphere and ice caps at its poles. Strong winds can whip up dust storms that cover the…
The 1999 All Star Game by Mike Morrison Take the All Star Game Quiz!Major League Baseball's first All-Star Game, matching the best players in the American League with the best in the National…
(Encyclopedia) Secretariat, 1970–89, thoroughbred race horse. Nicknamed “Big Red,” he was trained by Lucien Laurin and ridden by Ron Turcotte. In 1973 Secretariat won the Kentucky Derby, Preakness,…
(Encyclopedia) radial velocity, in astronomy, the speed with which a star moves toward or away from the sun. It is determined from the red or blue shift in the star's spectrum.
(Encyclopedia) Painted Desert, badlands on the northeastern bank of the Little Colorado River, NE Ariz., stretching c.200 mi (320 km) SE from the Grand Canyon; includes Petrified Forest National Park…
(Encyclopedia) Banks, Nathaniel Prentiss, 1816–94, American politician and Union general in the Civil War, b. Waltham, Mass. After serving in the Massachusetts legislature (1849–53), Banks entered…
