Egypt celebrates Revolution Day. The area of Egypt is about the size of Idaho, Montana, Wyoming, and Nevada combined. A desert country bordering the Mediterranean Sea, Egypt is home to the pyramids of Giza. The Nile flows from south to north through the country. Over 85 million people live in Egypt, and most of them live along the Nile or the Mediterranean Coast. Cairo is the capital.
Comet Hale-Bopp was discovered in 1995. Alan Hale in New Mexico and Thomas Bopp in Arizona, independent of each other, reported the extremely bright comet’s existence. It became visible in May 1996 and remained so until December 1997. Experts believe large telescopes will be able to monitor it until 2020. It may reappear around the year 4385.
Eileen Collins became the first female commander of a space vehicle, Columbia, in 1999. During the mission she and the crew deployed the Chandra X-Ray Observatory, which provides data on black holes and exploding stars. Older children could visit a website at: Eileen Collins.
Solar Impulse completed its circumnavigation of earth in 2016. Using only solar energy, the Swiss airplane started its flight from Abu Dhabi, United Emirates, in March 9, 2015. Bertrand Piccard and André Borschberg, the co-founders, wanted to show that flight was possible using only solar energy.
Patricia Coombs (born Los Angeles, California, 1926) writes and illustrates books for children. She writes the Dorrie the Little Witch series.
Robert Quackenbush (born Hollywood, California, 1929) has written at least 110 books and illustrated at least 60 books. He writes the Miss Mallard series. Children could visit his website at: http://www.rquackenbush.com/.
Vera Rubin (born Philadelphia, Pennsylvania, 1928; died Princeton, New Jersey, December 25, 2016) was an astronomer who studied galactic rotation curves. Her work led to the concept of dark matter.