Spiral disk.
How do stars orbit in our galaxy?
Around a center point, and up and down.
How is gas recycled in our galaxy?
gas is recycled through the star-gas-star cycle.
Where do stars tend to form in our galaxy?
In nebulas
Who is Andrea M. Ghez?
An American astronomer and professor in the Department of Physics and Astronomy at UCLA
What is the name of our galaxy?
The Milky way.
What is the ratio between the diameter and the thickness of the galactic disc?
100 : 1
Is our galaxy rotating?
Yes.
Can our galaxy be seen at night far from cities?
Yes.
Why do we need satellites to detect gamma rays from our galaxy?
There is less interference outside our atmosphere.
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