(Encyclopedia) Roche limit, the closest distance that a celestial body held together only by its own gravity can come to a planet without being pulled apart by the planet's tidal (gravitational)…
A Twice-in-a-Lifetime Event by Shmuel Ross This feature was written in the summer of 2004. Book a trip to Africa, and pray for clear skies. That’s one possible reaction to the upcoming transit…
Be as specific as possible with search terms. If, for example, you heard that scientists have discovered that Jupiter has more moons, include all the information you know when doing your search. If…
Are the Indiana Jones films historically accurate?
by Mark Hughes Related Links Special Effects Archeology Ancient History World War II The Holocaust In…
THE RINGS OF URANUSBLAND ATMOSPHERETHE BIG FIVEBIOGRAPHY: WILLIAM HERSCHEL German, 1738-1822FIND OUT MOREEnglish astronomer William Herschel discovered Uranus in 1781. It was the first planet…
SPACEWHERE DOES SPACE BEGIN? WHERE IS EARTH IN SPACE? HOW MUCH SPACE IS THERE? WHAT IS A LIGHT-YEAR? WHAT CAN WE SEE WHEN WE LOOK INTO SPACE? JOURNEY INTO SPACEFIND OUT MOREASTRONOMYWHEN DID PEOPLE…
(Encyclopedia) OceanusOceanusōsēˈənəs [key], in Greek mythology. 1 Circular stream that flows around the edge of the earth. The sun and moon rise from and descend into this stream; it is the source…
(Encyclopedia) Philomena of Dacia, Peter, or Peter Nightingale, fl. 1291–1303, Danish astronomer and mathematician. He taught at the Univ. of Bologna (1291–92) and in Paris, and was a canon of…
(Encyclopedia) Čech, SvatoplukČech, Svatopluksväˈtôpl&oobreve;k chĕkh [key], 1846–1908, Czech poet and novelist. His strong Pan-Slavism and his love for democracy and freedom won him great…
