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Solar System: Some Important Facts

SOLAR SYSTEM : SOME IMPORTANT FACTS
Biggest Planet	Jupiter
Smallest Planet	Mercury
Nearest Planet to Sun	Mercury
Farthest Planet from Sun	Neptune
Nearest Planet to Earth	Venus
Brightest Planet	Venus
Hottest Planet	Venus
Coldest Planet	Neptune
Red Planet	Mars
Biggest Satellite	Ganymede
Smallest Satellite	Deimos
Blue Planet	Earth
Morning Star	Venus
Evening Star	Venus
Planet with a Red Spot	Jupiter
Brightest Planet outside Solar System	Sirius (Dog Star)
Closest Star of Solar System	Proxima Centauri
Fastest Rotation in Solar System	Jupiter
Slowest Rotations in Solar System	Venus
Fastest revolution in Solar System	Mercury
Slowest revolution in Solar System	Neptune

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SOLAR FAMILY : SOME IMPORTANT FACTS
Member	Revolution Period (Days)	Rotations Period (Days)	No. of Satellite	Density (Water = 1)
Mercury	88	58.65	0	4.80
Venus	224.7	257	0	4.85
Earth	356	1.00	1	5.52
Mars	687	1.03	2	3.95
Jupiter	4333	0.41	63	1.33
Saturn	10759	0.43	60	0.69
Uranus	30686	0.45	27	1.36
Neptune	60188	0.66	13	1.30

SUN : SOME IMPORTANT FACTORS
Average Distance From Earth	14,95,98,900 km
Diameter	13,91,980 km
Temperature of the Core	1,50,00,000k
Rotation	25.38 days (with respect to equator); 33 days (with respect to poles)
Chemical Composition	Hydrogen :71%; Helium: 26.5%; Other Gases: 2.5%
Age	4.6 Billion Years
Total Life	10 Billion Years
Time Taken by Sunlight to reach earth	8 min. and 16.6 sec.
Speed of light (in vacuum)	3,00,000 kmps

MOON : Some Important Factors
Average Distance From Earth	14,95,98,900 km
Diameter	13,91,980 km
Ratio of diameter of Moon to that of Earth	1:3.7
Rotation Period	27 days, 7hrs, 43 min & 11.47 sec
Revolution Period	27 days, 7hrs, 43 min & 11.47 sec
Time Taken by Moonlight to reach earth	1.3 Sec
Percent of surface visible from Earth	59%
First Man to reach Moon	Neil Armstrong and Edvin Aldrin on Apollo XI (1969)

EARTH : SOME IMPORTANT FACTORS
Age	4,550 Million Years
Mass	5.967 x 10 to the power 24 kg
Volume	1.083 x 10 to the power liters
Mean Density	5.518 kg/lt
Total Surface Area	510 million sq. km
Land Area	29.2% of the total surface area
Water Area	70.8% of the total surface area
Equatorial Diameter	12,755 km
Polar Diameter	12, 712 km
Escape Velocity	11.2 km/sec
Highest Land Point	Mount Everest (8,852 m)
Lowest Land Point	Dead Sea (396m)
Greatest Ocean Depth	Mariana Trench (11,033)
Equatorial Circumference	40,024 km
Polar Circumference	40,024 km
Mean Surface Temperature	14°C
Maximum distance from Sun (Aphelion)	About 150 million km
Minimum distance from sun (Perihelion)	About 147 million km
Rotation Speed	23 hrs, 56 min, 40.91 sec
Revolution Speed	365 days, 5 hrs, 45.51 sec
Dates when days & nights are equal	Mar, 21 (Vernal Equinox): Sept. 23 Autumnal Equinox)
Dates of longest days and shortest nights	June 21 (Summer Solstice): Dec, 22 (Winter Solstice)