"Light Speed" and "The Milky Way"

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How fast is the speed of light?

186000 miles a second

How long does it take a radio wave, moving at the speed of light, to travel to the moon and back to the earth?

2.6 seconds

How long does it take earth to make one lap around the center of the milky way galaxy?

200 million years

How long does it take a radio signal to travel to mars and back?

44 minutes

What lies in the huge central bulge in the center of the Milky Way Galaxy?

A massive black hole

What is the actual shape of the milky way galaxy?

Barred spiral

What are the 4 basic galactic shapes?

Elliptical Laticular Irregular Spiral

What is the "amazing tool" used for measuring distances in the vastness of space based on the constancy of the speed of light?

Red shift

What is one advantage of being located in the outer edge of our galaxies?

We can see the rest of the universe.

How long does it take light to travel from the Sun to the Earth?

more than 8 minutes

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