GMAT
Because of the Sun, which is 400 times larger than the Moon, but also 400 times farther away from Earth, so both the Sun and the Moon have the same apparent size in the sky.
Narwhals can be called whales of the ice: in icy channels, ponds, and ice-shielded bays they seek sanctuary from killer whales, their chief predator, and their annual migrations following the seasonal rhythm of advancing and retreating ice.
Sculpted boulders found at Lepenski Vir, an example of the earliest monumental art known from central and western Europe, includes 15 figures with human features similar to Upper Paleolithic forms and to Middle Eastern Nantufian stone figurines.
In 1982, archaeologists recovered Henry VIII's ship Mary Rose, which, having sunk in 1545,with more than 17,000 artifacts on board, everything from arrows and longbows to a barber-surgeon's chest containing items commonly used by sixteenth-century medics.
Now generally regarded as a forgery, the Kensington Rune Stone, a 90-kilogram slab of inscribed rock discovered in Minnesota in 1898, was said to have recorded an encounter between Native Americans and Norse explorers in 1362 and thus was cited as evidence that Europeans explored North America in pre-Columbian times.
Though the artifacts of pre-Columbian civilization created a stir from the very first European contacts with the New World in the sixteenth century, it was not until the latter half of the nineteenth century that Western designers, artists, and crafters were inspired to imitate them.
On August 13, 1868, the warship U. S. S. Wateree, anchored in the harbor of Arica, off the coast of what is now northern Chile, rode on the crest of a tsunami (seismic sea wave) and coming to rest in the Atacama Desert, it was some three miles up the coast and almost two miles inland from its initial anchorage.
Meteor showers and individual streaks of light that flash across the sky every night are generated when tiny flecks of celestial detritus, often no larger than grains of sand or of pebbles, burn up speeding through the atmosphere.
Although the vast constellation of small islands that dot the South Pacific has a population of only a few million people, it is home to about a sixth of the world's 6,000 or so languages.
Taste buds are onion-shaped structures with between 50 and 100 taste cells, each of them has fingerlike projections poking through the opening located at the top of the taste bud called the taste pore.