Universe: MCQs from 31 to 40

31. The largest no. of natural satellites/ moons that any one of the planets of the Solar System has is ______?

(a) 22

(b) 55

(c) 63

(d) None of the above

32. Which one of following statement makes the planet Saturn unique in the solar family ______?

(a) It shows phases like those of the earth’s moon

(b) There is a well developed system of rings around it

(c) It is the biggest among the planets

(d) It sends out very strong radio signals which sound like the noise of sea waves

33. Which of the following planets has almost the same mass, size and density as the Earth ______?

(a) Venus

(b) Uranus

(c) Mars

(d) Saturn

34. The biggest star in our Galaxy is ______?

(a) Sun

(b) Proxima Centauri

(c) Epsilon Aurigae

(d) Sirius

35. Who was the second (2nd) to observe sun spots after Ibn Zubir ______?

(a) Galileo

(b) Newton

(c) Halley

(d) None of the above

36. What are the sun-spots ______?

(a) These are areas of the Sun where the heat is most intense which shows up as dark spot

(b) These are great flames of gases which shoot out of the Sun

(c) These are the areas of the Sun where nuclear fission takes place

(d) These are cooler areas which move about on the Sun’s surface and show up as dark spots

37. A light year, as a unit of measurement of distances of heavenly bodies, is equal to ______?

(a) 11^1/2 million, million kms

(b) 6 million, million kms

(c) 9^1/2 million, million kms

(d) 7^1/2 million, million kms

38. The planet Neptune’s orbit around the Sun takes about ______?

(a) 29.5 years

(b) 165 years

(c) 247.7 years

(d) 84 years

39. The planets of the Solar System travel with the Sun through millions of stars in our galaxy at a speed of about ______?

(a) 80,000 km/h

(b) 50,000 km/h

(c) 70,000 km/h

(d) 60,000 km/h

40. What name is given to the path of the Sun amongst the stars in our galaxy ______?

(a) Zodiacal signs

(b) Celestial sphere

(c) Elliptical path

(d) Ecliptic