Introduction to the Night Sky. Spring 2007 Heart of the Valley Astronomers. Mercury. Venus. Saturn. Encaledus. Jupiter. Io and Eruptions. Planets versus Stars. Mars. Arcturus. Vega. Uranus. Planets appear as discs of light in a telescope. Stars look like smaller pinpoints.
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Heart of the Valley Astronomers
Planets appear as discs of light in a telescope. Stars look like smaller pinpoints.
About 180,000 years
Neptune = 2.8 billion miles
How does this compare to a walk on Earth?
The Corvallis Clinic
Think about a walk from Wilson School to…
Sirius – almost 19,000x farther than Neptune = 52 trillion miles
The South Pole
From the tilt of Earth as it spins