I am taking an online class in Astronomy. I am trying to use Stellarium to answer some worksheets, but I am confused. The worksheet asks questions like is the moon to the left or right of the sun at noon on a certian date. It appears to be to the right, but I can move the window around and it now looks to be on the left? Also it asks if Venus is east or west of something. I am having a hard time reading east and west when it is above something. For instance I am trying to find out if Venus is East or West of the Sun on June 4, 2014. I am in Nashville, TN.
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On March 22, 2014, Venus reached its greatest western elongation from the Sun. On June 4, 2014 Vevus is still to the west of the Sun.
It's not a good idea to move the window around. You determine if one object is to the east or to the west of another object while looking south.
When Venus is to the west of the Sun, then Venus rises before the Sun and is called 'the morning star'. Venus is to the right of the Sun.
Between New Moon and Full Moon the Moon is to the left of the Sun. (The Moon's right side is illuminated). Between Full Moon and New Moon the Moon is to the right of the Sun). At New Moon, the Moon and Sun have the same ecliptical longitude. The Moon's motion on the sky is from west to east. So every day after New Moon, the Moon will be a greater distance to the left of the Sun.
There are lots of astronomy courses on the web:
Just want to add my kudos to Stellarium All&Sundry. I'm new to Astronomy and Stellarium has been such a useful tool! THANKS So Much!
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