The Reuben H. Fleet Center seeks to inspire lifelong learning by furthering the public's understanding and enjoying of science
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The solar system consists of the Sun,Mercury, Venus, Earth ,Mars, Jupiter, Saturn, Uranus, Neptune and Pluto, more than 130
satellites of the planets, & large number of small bodies (the comets and asteroids)
__ The Sun is middle-aged; it's halfway
through its 10-billion-year lifetime.
__ As a result of the greenhouse effect, Earth's average temperature is comfortable
rather than freezing, and Venus is a horrid place, hot enough to melt lead.
__ The Sun--as big as it seems to those of
us on Earth--is actually on the small side for a star. It's a dwarf star; giants and supergiants are much larger, and neutron
stars are even smaller.
__ Earth's galaxy, the Milky Way, contains about 400 billion stars. There are hundreds of billions
of other galaxies in the universe, some of which are much larger and contain many more stars than the Milky Way.
have discovered dozens of planets orbiting stars other than the Sun.
__ Explosions on the Sun send particles into space,
creating luminous displays called auroras that can be seen from Earth.
stars (the ultra-compact remains of stars about 10 times more massive that of the sun) can spin around up to 600 times per
Beckie Uma Uneverse
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Although I am very young looking, I am an experienced
say Albert Einstein double.)
and articles at ScienceMadeSimple.com
Venus ; thick carbon dioxide
atmosphere traps solar heat, warming the planet's surface to 872F(740K).The atmosphere itself is crushing. air pressure at
"sea level" is 90 times greater than air pressure on Earth. clouds floating overhead ... they're laced with sulfuric acid.
If you were teleported to Venus you'd be dissolved, crushed and melted--not necessarily in that order.
There are 27 known moons of Uranus. In order of decreasing distance from the planet,
the moons are Setebos (1999 U1), Prospero (1999 U3), Sycorax, Stephano (1999 U2), Caliban, Oberon, Titania, Umbriel, Ariel,
Miranda, Puck, 1986 U10, Belinda, Rosalind, Portia, Juliet, Desdemona, Cressida, Bianca, Ophelia, and Cordelia. Ten of the
moons range in size from 16 to 67 mi (26 to 108 km) in diameter and, being closer to the planet, have faster periods of revolution
(8–15 hours) than their more distant relatives.
Surprising Dinosaur Facts
--Some dinosaurs were as small as a hen, but the typical dinosaur weighed about as much
as a hippopotamus or an elephant.
--Dinosaur eggs are smaller than those of modern birds (relative to the weight of the
mother). In fact, the largest known dinosaur eggs are much smaller than those of the extinct elephant bird of Madagascar.
--Instead of chewing their food, some sauropods ground their food between stones in a portion of the digestive tract,
much like the gizzard of a modern bird.
--The earliest dinosaurs resembled two-legged, short-headed crocodiles.
dinosaurs spent time in the water, but no dinosaur could swim very well.
--Dinosaur bones have been found on all of the
continents, but the fossil record is most complete in North America and Asia.
--It's easy to tell a dinosaur skeleton
from that of a modern reptile because dinosaur skeletons have a strong joint between the backbone and hips.
dinosaurs could turn rapidly by swinging their tail abruptly in a direction opposite to where they wished to turn.
dinosaurs had feathers.
True birds with proper feathers lived at the same time as the
winged lizards - pterosaurs, who are not now generally regarded as birds' ancestors, but rather simply as a group of lizards
which developed flight independantly of birds. Recent finds in China are suggesting that birds rapidly became more diverse
and adaptive than their winged co-inhabitants, and that birds tended to live more inland, while pterosaurs dominated the coasts.
largest known Pterosaur or winged lizard had a wing span of over 60feet(18meters)