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…
WHAT KINDS OF TASKS DO ASTRONAUTS PERFORM? HOW DO ASTRONAUTS TRAIN FOR THEIR MISSIONS? EXTRAVEHICULAR ACTIVITIESFIND OUT MOREAnyone who travels in space is called an astronaut. The Russians call…
The 52nd Annual Grammy Awards were presented at Staples Center in Los Angeles on Jan. 31, 2010; the winners are listed below. Album of the Year: Fearless - Taylor…
Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World Ukrainian…
Presidential surveys on the web by Ann-Marie Imbornoni Five Best Presidents Abraham Lincoln Franklin Delano RooseveltGeorge WashingtonTheodore RooseveltHarry S. TrumanFive Worst Presidents…
(Encyclopedia) nettle, common name for the Urticaceae, a family of fibrous herbs, small shrubs, and trees found chiefly in the tropics and subtropics. Several genera of nettles are covered with small…
(Encyclopedia) Weinberger, Caspar WillardWeinberger, Caspar Willardwīnˈbûrgər [key], 1917–2006, U.S. government official, U.S. secretary of defense (1981–87), b. San Francisco, grad. Harvard (1938),…
(Encyclopedia) African swine fever (ASF), highly contagious, deadly viral disease of swine. Its acute form, which is typically fatal, is characterized by high fever, loss of appetite, lethargy, and…
(Encyclopedia) brigandagebrigandagebrĭgˈəndĭj [key] [Ital. brigare=to fight], robbery and plundering committed by armed bands, often associated with forests or mountain regions. Social and political…