The study of vast spaces outside the Earth's atmosphere
The Study of Behavior
Welcome to Astronomy - Section 4
Subject Contents
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Astronomy A31
Venus's surface is very difficult to observe due to the Venusian clouds that are high and thick.
Astronomy A32
Winds blow fine red dust made of oxidized iron minerals, giving Mars a red color like surface.
Astronomy A33
Earth's life and atmosphere depends on oxygen.
Astronomy A34
Jupiter's Moon are composed of ice and rock.
Astronomy A35
Adam and Leverrier discovered Neptune.
Astronomy A36
Hayabusa is a Japanese deployed spacecraft that returned fragments/samples from an asteroid.
Astronomy A37
Comets have two tails.
Astronomy A38
Earth is estimated to be 150 million kilometers apart from the Sun.
Astronomy A39
The Sun's core is predicted to be 15 million K.
Astronomy A40
Prominences include glowing gases formed in cooler regions of the Sun's. Gas pressure is less then it's surrounding gases. Flow from the chromosphere to the corona.