NCERT Notes (Study Material) on important GK topics for the UPSC civil services exam, NDA, CDS, CAPF, AFCAT. These notes will also be useful for other competitive exams like State Civil Service, SSC, Railway and so on. Check Other NCERT Notes Here
Some very important facts about the universe from where questions are expected to be asked in UPSC CDS NDA AFCAT and other competitive exams. These important facts about the universe cover all important World Geography questions like biggest planet, biggest satellite etc.
IMPORTANT FACTS ABOUT UNIVERSE
Biggest planet: Jupiter
Biggest satellite: Ganymede (Jupiter)
Green planet: Uranus
Brightest planet: Venus
Brightest planet outside Solar system: Sirius (Dog star)
Coldest planet: Neptune
Planet with maximum number of satellites: Saturn (82)
Fastest revolution in solar system: Jupiter
Slowest revolution in solar system: Neptune
Slowest rotation in solar system: Venus
Smallest satellite: Deimos (Mars)
Only satellite with an earth like atmosphere: Titan (Saturn)
Time taken by moonlight to reach earth: 1.3 seconds
Rotation speed of sun with respect to poles: 33 days
Rotation speed of sun with respect to equator: 25.38 days
Astronomical unit means distance between: Earth and Sun
Revolution speed of Earth: 365 days 5hrs 45.52 seconds
Escape velocity of Earth: 11.2km/sec
Read important NCERT notes here to understand & learn GK/GS in a very easy language. If you want to score some extra marks in English section then read important idioms & phrases with hindi meaning & example here, and important one word substitute with Hindi meaning here. Important current affairs study material for AFCAT CDS NDA Written examination can be accessed here.
