A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins
A. The north seekers
B. The pointer stars
C. The pointer sisters
D. None of these
A. The sun lights up only one half of the moon and as the moon orbits the earth we can sometimes see the unlit side of the moon.
B. The sun lights up only one half of the moon and as the sun orbits the earth we can sometimes see the unlit side of the moon.
C. The earth’s shadow falls on the moon, blocking the sunlight.
D. The moon’s shadow falls on the earth, blocking the sunlight.
A. Dark matter
B. Maria, or seas, even though there is no water on the moon
C. Maria, or seas, because they are filled with water
D. Moon spots
A. Oxygen and hydrogen
B. Hydrogen and sulfur
C. Carbon and silicon
D. Hydrogen and helium
A. Ursa major
B. Ursa minor
C. The great bear
D. A. and c. above
A. Quasars star
B. Pulsars star
C. White dwarfs star
D. Red super-giants star
A. Alpha stage
B. Stellar genesis
C. Protostar
D. Star of adam
A. Stellar nurseries
B. Star clouds
C. Event horizons
D. Singularities
A. White dwarf
B. Blue giant
C. Wolf-raynet star
D. Black hole