Question 41 Northern hemisphere tilts towards sun during? A) summer B) winter C) autumn D) spring No Details
Question 42 Rotational speed of earth around sun is equal to? A) 111000 km /h B) 110000km/h C) 101000km/h D) 1000010km/h No Details
Question 43 Neil Armstrong was first man who set foot on? A) moon B) space C) stars D) galaxy No Details
Question 44 To explore Mars planet, in 2004 Martian surface was explored by safe landing of? A) rovers B) satellites C) voyager D) space probe No Details
Question 45 "percentage of total mass of sun" as compare to "the total mass of solar system" is? A) 0.99 B) 0.45 C) 0.9 D) 0.1 No Details
Question 49 Huge rocks which revolve around a star are called ? A) meteorites B) asteroids C) stars D) meteors No Details
Question 50 In 1957, first artificial satellite was built by soviets and its name was? A) Hubble space B) Voyager-1 C) Sputnik-1 D) none of above No Details