What is the letter for the star Alpherg?

What are Protoplanetary disks? What is center of gravity or mass? What is the abbreviation for stratus? What is a yottaparsec? If a cell being observered has been magnified 200x under the HPOwhat IS the magnifying power of the eyepiece used? What planet has no true atmosphere? What is the Most abundant element on moon? Why are giant and super giant stars rare? Why does the sun appear bigger in the morning? What year was it when Robert Falcon Scott set out for Antarctica? Is the sun first in the food chain? What are the similarities of a hot air balloon and an air ship? Is 650nm far? If you were the next person to walk on the moon you would be the th person to walk on the moon? What happens when the moon is directly between the sun and the earth? What does 3.68 AU stand for? Where is the best place to see the northern lights from the continental us? Visibility during the night is limited to the area of the motor vehicle? Who is the son of Venus? What was the name of the spacecraft that exploded when launching?