The Question:
How long would it take to land a manned spacecraft on Mars?
The Answer:
According to NASA, a vessel with humans on it would take roughly six months to travel to Mars and another…
(Encyclopedia) Long, Huey Pierce, 1893–1935, American political leader, b. Winnfield, La.; brother of Earl Long. Originally a farm boy, he was an extremely successful traveling salesman before…
Internal anatomyExternal anatomyTeeth for rakingTeeth for combingPillarlike legsProsauropodsThe biggest land animals to have lived on Earth were the sauropods, which means “lizard feet”. These…
Many American kids don’t think twice about paying $20 for a video game or a sweatshirt. But that $20 would go a very long way in third-world countries. Here’s a look at how far a few dollars can…
(Encyclopedia) Long Island Sound, arm of the Atlantic Ocean, c.90 mi (145 km) long and 3–20 mi (5–32 km) wide, separating Long Island, N.Y., from the SE New York mainland and Connecticut. On the W…
(Encyclopedia) Long, Earl Kemp, 1895–1960, American political figure, b. Winnfield, La.; brother of Huey Long. A lawyer, he was given a state office when his brother became governor. He ran for…
(Encyclopedia) Long Island University, main campus at Brooklyn, N.Y.; coeducational; chartered 1926, opened 1927. It also includes C. W. Post College (est. 1954) at Brookville, Long Island, a campus…
(Encyclopedia) Chaillé-Long, CharlesChaillé-Long, Charlesshäyāˈ-lông [key], 1842–1917, American soldier, African explorer, and writer, b. Princess Anne, Md. After serving in the Civil War, he was…
(Encyclopedia) Long, Stephen Harriman, 1784–1864, American explorer, b. Hopkinton, N.H. As an army engineer, Long was sent on several exploring and surveying expeditions. The first in 1817 was to the…
