|
SPACE
UNIVERSE
LARGEST
STRUCTURE:-
|
"Great
WALL" |
|
a
concentration of galaxies |
|
280x800
million light years in diameter |
|
discovered
in 1989 |
LARGEST
GALAXY:-
|
ABELL
2029 |
|
5,600,000
light years in diameter (80xdiameter of our galaxy) |
|
discovered
in 1990 |
BRIGHTEST
GALAXY:-
|
IRAS
F10124+4724 |
|
luminosity
= 300,000,000,000,000 X sun's |
|
discovered
in 1983 by IRAS (INFRA-RED ASTRONOMY SATELLITE) |
AGE OF
THE UNIVERSE:-
|
14 billion
years |
REMOTEST
OBJECT:-
|
QUASAR
PC1247+3406 |
|
14,000
million light years away |
STARS
NEAREST
STAR TO EARTH AFTER THE SUN:-
|
PROXIMA
CENTAURI |
|
4 LIGHT
YEARS AWAY |
LARGEST
STAR:-
|
M-CLASS
SUPER GIANT BETELGEUX |
|
DIAMETER
OF 700 MILLION KM |
SMALLEST
STAR:-
|
WHITE
DWARF L362-81 |
|
DIAMETER
OF 5600 KM |
HEAVIEST:-
|
ETA CARINAE |
|
200 X
MASS OF SUN |
PLANETS
LARGEST:-
|
JUPITER |
|
DIAMETER
OF 142 984 KM |
SMALLEST,
FURTHEST AND COLDEST:-
|
PLUTO |
|
DIAMETER
OF 2320 KM |
|
-235
DEGREES CELSIUS |
|
MEAN
DISTANCE FROM SUN= 5913,514,000 KM |
FASTEST:-
|
MERCURY |
|
172,248
KM/H |
HOTTEST:-
|
VENUS |
|
462
DEGREES CELSIUS |
|
METHANE
CLOUDS IN ITS ATMOSPHERE TRAPS HEAT AND THUS INCREASES ITS TEMPERATURE |
BRIGHTEST
(WHEN VIEWED FROM EARTH):-
|
VENUS |
|
USED
TO BE CALLED THE EVENING STAR |
|
IT'S
THE BRIGHTER THAN ANY OTHER STAR (EXCEPT THE SUN), YOU CAN SEE IT ALTHOUGH
IT LOOKS LIKE A STAR |
SATELLITES
LARGEST:-
|
GANYMEDE
(JUPITER III) |
|
2.3 X
MOON'S MASS |
|
5268
KM IN DIAMETER |
SMALLEST:-
|
DEIMOS |
|
OUTERMOST
MOON OF MARS |
|
IRREGULARLY
SHAPED |
|
12.5
KM IN DIAMETER |
ASTEROIDS
LARGEST:-
|
1
CERES |
|
DISCOVERED
IN 1801 |
|
DIAMETER
OF 959KM |
SMALLEST:-
|
1991BA |
|
DIAMETER
OF 9M |
ONLY
VISIBLE ASTEROID WITH THE NAKED EYE:-
|
4
VESTA |
|
520
KM IN DIAMETER |
MOON
HIGHEST
MOUNTAIN:-
|
DESCARTES
HIGHLANDS |
|
7830
M HIGH |
HIGHEST
TEMPERATURE:-
|
117
DEGREES CELSIUS |
LOWEST
TEMPERATURE:-
|
-163
DEGREES CELSIUS |
ECLIPSES
EARLIEST
RECORDED:-
|
15/1/763
BC |
|
NOTE:-
COMPUTERS HAVE CALCULATED THAT THERE WERE MANY ECLIPSES BEFORE THAT WERE
NOT RECORDED |
LONGEST
DURATION:-
|
MAXIMUM
POSSIBLE= 7 MIN 31 SEC |
|
LONGEST
OF RECENT DATE= 1995 |
|
PHILIPPINES |
|
7
MIN 29 SEC |
COMETS
EARLIEST
RECORDED:-
|
600
BC |
LARGEST:-
|
GREAT
COMET |
|
1843 |
|
330
MILLION KM LONG |
BRIGHTEST:-
|
CRULS
COMET |
|
1862 |
METEORITES
OLDEST:-
|
KRAHENBERG |
|
20
MILLION YEARS |
LARGEST:-
|