Welcome to Astronomy - Section 4

Subject Contents

______fillin


Purchase an assessment.

Thumbnail Image 1

Astronomy A31

Venus's surface is very difficult to observe due to the Venusian clouds that are high and thick.


Thumbnail Image 1

Astronomy A32

Winds blow fine red dust made of oxidized iron minerals, giving Mars a red color like surface.


Thumbnail Image 1

Astronomy A33

Earth's life and atmosphere depends on oxygen.


Thumbnail Image 1

Astronomy A34

Jupiter's Moon are composed of ice and rock.


Thumbnail Image 1

Astronomy A35

Adam and Leverrier discovered Neptune.


Thumbnail Image 1

Astronomy A36

Hayabusa is a Japanese deployed spacecraft that returned fragments/samples from an asteroid.


Thumbnail Image 1

Astronomy A37

Comets have two tails.


Thumbnail Image 1

Astronomy A38

Earth is estimated to be 150 million kilometers apart from the Sun.


Thumbnail Image 1

Astronomy A39

The Sun's core is predicted to be 15 million K.


Thumbnail Image 1

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.