(Encyclopedia) AstraeaAstraeaăstrēˈə [key], in Greek religion and mythology, goddess of justice; daughter of Zeus and Themis. Because of the wickedness of man, she withdrew from the earth at the end…
(Encyclopedia) astronomical unit (AU), mean distance between the earth and sun; one AU is c.92,960,000 mi (149,604,970 km). The astronomical unit is the principal unit of measurement within the solar…
(Encyclopedia) Garrison Dam, c.11,300 ft (3,400 m) long and 210 ft (64 m) high, on the Missouri River, near Riverdale, W central N.Dak.; one of the world's largest earth-filled dams used for…
(Encyclopedia) YmirYmirēˈmĕr [key], in Norse mythology, primeval giant and progenitor of a race of giants. Odin and his brothers slew Ymir; from his skull they fashioned the sky, from his flesh the…
(Encyclopedia) Boisbaudran, Paul Émile Lecoq deBoisbaudran, Paul Émile Lecoq depôl āmēlˈ ləkôkˈ də bwäbōdräNˈ [key], 1838–1912, French discoverer of the elements gallium, samarium, and dysprosium. He…
(Encyclopedia)
CE5
Moon mission assembly
CE5
Stages in a moon mission shown counterclockwise from launching on the first day to splashdown on the ninth day.
space exploration, the…
Albanian giants are as tall as pine trees, with black beards that reach to their knees. They catch men to eat and women to fan the flies away. Giants have enormous size and strength packed in a…
WHO BUILT MEGALITHIC MONUMENTS? WHAT WERE STONE CIRCLES USED FOR? CHAMBER TOMBSFIND OUT MOREBetween c. 3200 BC and 1500 BC, peoples in northwest Europe began to build monuments from massive…
FACTFILE: PHYSICAL WORLDFIND OUT MOREDespite its being called “Earth,” more than two-thirds of our planet’s surface is covered in water. The rest consists of seven vast expanses of land called…
THE MOONS OF MARSFIND OUT MOREThe fourth planet from the Sun, Mars is one of Earth’s closest neighbours. Mars has a slight atmosphere (mainly carbon dioxide), and ice caps at the poles.…
