stars
100
What is our main star
the sun
200
What is constellations
patterns of stars in the sky
300
What is absolute magnitde
star measurment of amount of light it gives off
400
What is apparent magnitude
amount of light reciveved on earth
500
how fast can light travel in a year
300,000 km/S






astronomy

Press F11 for full screen mode



Limited time offer: Membership 25% off


Clone | Edit | Download / Play Offline