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SPACE

UNIVERSE

LARGEST STRUCTURE:-
bullet  "Great WALL"
bullet  a concentration of galaxies
bullet  280x800 million light years in diameter
bullet  discovered in 1989
LARGEST GALAXY:-
 
bullet ABELL 2029
bullet 5,600,000 light years in diameter (80xdiameter of our galaxy)
bullet  discovered in 1990
BRIGHTEST GALAXY:-
bullet  IRAS F10124+4724
bullet luminosity = 300,000,000,000,000 X sun's
bullet  discovered in 1983 by IRAS (INFRA-RED ASTRONOMY SATELLITE)
AGE OF THE UNIVERSE:-
 
bullet 14 billion years
REMOTEST OBJECT:-
 
bullet QUASAR PC1247+3406
bullet 14,000 million light years away
STARS

NEAREST STAR TO EARTH AFTER THE SUN:-
 
bullet PROXIMA CENTAURI
bullet 4 LIGHT YEARS AWAY
LARGEST STAR:-
bullet  M-CLASS SUPER GIANT BETELGEUX
bullet  DIAMETER OF 700 MILLION KM
SMALLEST STAR:-
bullet  WHITE DWARF L362-81
bullet  DIAMETER OF 5600 KM
HEAVIEST:-
 
bullet ETA CARINAE
bullet 200 X MASS OF SUN
PLANETS

LARGEST:-
bullet  JUPITER
bullet  DIAMETER OF 142 984 KM
SMALLEST, FURTHEST AND COLDEST:-
bullet  PLUTO
bullet  DIAMETER OF 2320 KM
bullet  -235 DEGREES CELSIUS
bullet  MEAN DISTANCE FROM SUN= 5913,514,000 KM
FASTEST:-
 
bullet MERCURY
bullet 172,248 KM/H
HOTTEST:-
bullet  VENUS
bullet  462 DEGREES CELSIUS
bullet  METHANE CLOUDS IN ITS ATMOSPHERE TRAPS HEAT AND THUS INCREASES ITS TEMPERATURE
BRIGHTEST (WHEN VIEWED FROM EARTH):-
bullet  VENUS
bullet  USED TO BE CALLED THE EVENING STAR
bullet IT'S THE BRIGHTER THAN ANY OTHER STAR (EXCEPT THE SUN), YOU CAN SEE IT ALTHOUGH IT LOOKS LIKE A STAR
SATELLITES

LARGEST:-
 
bullet GANYMEDE (JUPITER III)
bullet 2.3 X MOON'S MASS
bullet 5268 KM IN DIAMETER
SMALLEST:-
bullet  DEIMOS
bullet  OUTERMOST MOON OF MARS
bullet  IRREGULARLY SHAPED
bullet 12.5 KM IN DIAMETER
ASTEROIDS

LARGEST:-
bullet  1 CERES
bullet  DISCOVERED IN 1801
bullet  DIAMETER OF 959KM
SMALLEST:-
bullet  1991BA
bullet  DIAMETER OF 9M
ONLY VISIBLE ASTEROID WITH THE NAKED EYE:-
bullet  4 VESTA
bullet  520 KM IN DIAMETER
MOON

HIGHEST MOUNTAIN:-
 
bullet DESCARTES HIGHLANDS
bullet  7830 M HIGH
HIGHEST TEMPERATURE:-
bullet  117 DEGREES CELSIUS
LOWEST TEMPERATURE:-
bullet  -163 DEGREES CELSIUS
ECLIPSES

EARLIEST RECORDED:-
bullet  15/1/763 BC
bullet  NOTE:- COMPUTERS HAVE CALCULATED THAT THERE WERE MANY ECLIPSES BEFORE THAT WERE NOT RECORDED
LONGEST DURATION:-
bullet  MAXIMUM POSSIBLE= 7 MIN 31 SEC
bullet  LONGEST OF RECENT DATE= 1995
bullet  PHILIPPINES
bullet  7 MIN 29 SEC
COMETS

EARLIEST RECORDED:-
bullet  600 BC

LARGEST:-
bullet  GREAT COMET
bullet  1843
bullet  330 MILLION KM LONG
BRIGHTEST:-
bullet  CRULS COMET
bullet  1862
METEORITES

OLDEST:-
bullet  KRAHENBERG
bullet  20 MILLION YEARS
LARGEST:-
bullet  1920
bullet  NAMIBIA
bullet  59 TONNES