Light-year (distance traveled by light in one year) 5,880,000,000,000 mi Parsec (parallax of one second, or stellar distances) 3.259 light-years Velocity of light…
Nuclear tensions intensify around the Olympics
Source: AP Photo/Jae C. Hong
South Korean Protestor Tears Image of North Korean Flag
Related Links North Korea The Korean War 2018 Winter…
Imagine you’re an astronaut in the future, and your ship has the ability to travel at the speed of light. You jump into your spaceship when you’re 20 years old, travel 331 light years on your journey…
(Encyclopedia) Heinlein, Robert Anson MacDonaldHeinlein, Robert Anson MacDonaldhīˈlīn [key], 1907–88, American science-fiction writer, b. Butler, Mo. His best-known novel, Stranger in a Strange Land…
(Encyclopedia) Columbia Plateau, physiographic region of North America, c.100,000 sq mi (259,000 sq km), NW United States, between the Rocky Mts. and the Cascade Range in Washington, Oregon, and…
(Encyclopedia) Service, Robert William, 1874–1958, Canadian poet and novelist, b. England, educated at the Univ. of Glasgow. He went to Canada in 1897 and held odd jobs in British Columbia and at…
(Encyclopedia) Poisson, Siméon DenisPoisson, Siméon DenissēmāôNˈ dənēˈ pwäsôNˈ [key], 1781–1840, French mathematician and physicist. From 1802 he taught at the École polytechnique, Paris, and was…
(Encyclopedia) Babbitt, Natalie, 1932–2016, American children's book author and illustrator, b. Dayton, Ohio, as Natalie Zane Moore, grad. Smith College, 1954. She illustrated The Forty-Ninth…
(Encyclopedia) Pavese, CesarePavese, Cesarechāˈzärā pävĕˈsā [key], 1908–50, Italian novelist, poet, and translator. A major literary figure in postwar Italy, Pavese brought American influence to…
