Search

Search results

Displaying 131 - 140

DK Space: Uranus

WHO DISCOVERED URANUS? WHAT ARE URANUS’S MOONS LIKE? FIND OUT MORETilted at 98°, Uranus seems to be spinning on its side. As it moves in its orbit, first one pole and then the other points straight…

Some Facts about Eclipses

Source: U.S. Naval Observatory and NASA/Goddard Space Flight Center Anaxagoras, in the 5th century B.C., is credited as the first to figure out the true cause of a lunar eclipse, but his…

NASA's 50th Anniversary

Celebrating NASA's birthday with fantastic slideshows featuring astronauts, spacecrafts, moons, planets, and more by Mark Hughes A wake up call came to the American people in 1957, when the…

cycle

(Encyclopedia) cycle, in astronomy, period of time required for the recurrence of some celestial event. The length of a cycle may be measured relative to the sun or to the fixed stars (see sidereal…

DK Science: Jupiter

THE GALILEAN MOONSJUPITER’S ATMOSPHEREJUPITER’S LIGHTSFIND OUT MOREJupiter is the biggest planet in our Solar System, eleven times bigger in diameter than Earth and two and a half times more…

DK Earth: Coasts

HOW DO WAVES CHANGE COASTAL LANDSCAPES? TIDESFIND OUT MORECoasts are border zones where the land meets the ocean. There is about 312,000 miles (502,000 km) of coastline worldwide. TIDES, waves,…

The Twilight Series

Find reviews, trivia, quizzes, biographies, and more information related to Stephenie Meyer's Twilight series.   More About Books Harry Potter Page Kids' Favorite Books Best…

Phobos

(Encyclopedia) PhobosPhobosfōˈbŏs [key], in astronomy, innermost moon, or natural satellite, of Mars.

Helene

(Encyclopedia) HeleneHelenehəlēnˈ, hĕlˈənə [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XII (or S12), Helene is an irregularly shaped (…