Which of the following gases is most predominant in the sun?
A.Helium
B.Hydrogen
C.Nitorgen
D.Ozone
A.Helium
B.Hydrogen
C.Nitorgen
D.Ozone
A.Callisto
B.Lo
C.Eurpa
D.Titan
A.Orion
B.Big dipper
C.Little dipper
D.Cassiopsiea
A.Mars
B.Venus
C.Moon
D.Sun
A.A planet
B.A constellation
C.A comet
D.A satellite
A.Signs of Roman gods
B.Imaginary region that encompasses the path of the planets
C.A group of stars
D.None of these
A.Cosmic year
B.Astronomical year
C.Light year
D.Parsec
A.Hayes
B.Praesepe
C.Sirius
D.Sun
A.Neptune
B.Mercury
C.Pluto
D.Mars
A.Kepler
B.Galileo
C.Copernicus
D.Plato