The ________ system is the closest star system to our sun.?
A. Promixa Centauri
B. Alpha Centauri
C. Red proxima Centauri
D. None of these
which is the second brightest star in the Universe?
A. Betelgeuse
B. Vega
C. Canopus
D. None of these
What is the average distance of the moon from earth?
A. 384,400 km
B. 350,000 km
C. 380,200 km
D. 384,500 km
Who discovered that the earth was not the center of the universe?
A. Aristotle
B. Nicolaus Copernicus
C. Sir Isac Newton
D. None
Only planet whose day is longer than its year is__________?
A. Mercury
B. Neptune
C. Venus
D. None of These