SOLAR SYSTEM - LDC SPECIAL NOTES- PSC REPEATED QUESTIONS AND ANSWERS
1.The planet nearest to the Sun –
Mercury
2.Helio centric theory was proposed by :
Copernicus
3.The largest planet –
Jupiter
4.Planets without Natural satellite.
Mercury and Venus
5.The only planet in the solar system which sustains life –
Earth
6.Which is the Planet with only one natural satellite ?
Earth
7.The planet with the largest number of satellites –
Jupiter
8.Which planet has maximum number of satellites?
Jupiter
9.The largest satellite – Ganymede of Jupiter
10.Who proposed Geocentric model for thr first time?
Ptolemy
11.The planets without satellite – Mercury, Venus
12.Time taken for sunlight to reach earth's surface:
About 8 minutes
13.The only satellite of the Earth – The Moon
14.Which comet is visible after every 76 years?
Halley's comet
15.Which is the biggest planet in solar system?
Jupiter
16.The planet nearest to the Earth – Venus
17.When was Halley's comet last seen from Earth?
1986
18.The planet which takes the shortest period for revolution round the Sun -
Mercury
19.Which is the nearest planet to the sun?
Mercury
20.The planet with shortest period of rotation –
Jupiter
21.Name the planet which has diametre almost equal to the diameter of the Sun?
Venus
22.The planet known as the Red Planet – Mars
23. Which is the nearest planet to Earth?
Venus
24,What of the average temperature of Earth?
About 15 degree celsius
25.The planet with the longest period of rotation –
Venus
26.15.In which year Neil Armstrong become the first man to set foot on Moon?
1969
27.The planet known as the Morning Star –
Venus
28..How many time does the ray of moon take to reach the Earth?
About 1.3 Seconds
29.The planet with rings around it – Saturn
30.Which planet has highest density in solar system?
Earth
31.Which Planet has the highest temperature?
Venus
19.Which Planets revolve clockwise?
Venus and Uranus
20.Which planet revolves round the Sun once every 84 years?
Uranus
21.Number of satellites of Jupiter:
63
22. Which planet have colourfull rings around it?
Saturn
23.Who is the first woman astronaut to travel in space?
Valentina Tereshkova
24.World's first artificial satellite was launched by USSR on October 4,1957. What is its name?
Sputnik
25.Which was the spaceship that took Neil Armstrong of USA to moon in 1969?
Appolo 11
