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…
(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 (…
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,…
BURLEIGH, John Holmes, (son of William Burleigh), a Representative from Maine; born in South Berwick, York County, Maine, October 9, 1822; attended the local academy; became a sailor when…
WHIPPLE, William, a Delegate from New Hampshire; born in Kittery, York County, Maine, January 14, 1730; became a sailor and engaged in the slave trade; freed his slaves and engaged in…
Eeek! Sea Monsters!Classical MythologyTake the Long Way Home: OdysseusGoing Home So Soon? Not Bloody LikelyThe Poseidon AdventuresEeek! Sea Monsters!Hi, Honey, I'm Home! The More Things Change ...…
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Precession of the equinoxes (the points at which the earth's celestial equator intersects its ecliptic) is due to the slow rotation of the earth's axis around a perpendicular to…
WHAT IS THE SUN MADE OF? WHAT IS THE SURFACE OF THE SUN LIKE? SOLAR ECLIPSESFIND OUT MOREAt the center of the Solar System is the Sun, a vast globe of glowing gas that pours energy into space as…
Source: National Institute of Standards and Technology Physics Laboratory Celestial bodies—the sun, moon, planets, and stars > have provided us a reference for measuring the passage of time…