Space exploration quiz #2

Provide an example of an ancient space tool that astronomers used to use to explore space.

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What measurement is used for “local” distances in space (those inside our solar system.)

• Kilometers

• Miles

• Astronomical Units

• Meters

One AU is equal to the average distance from the centre of Earth to the centre of the Sun (149 599 000 km).

• True

• False

A light-year is...

• The distance light travels in 1 minute

• The distance light travels in 1 year

• The distance light travels from the sun to earth

• The distance light travels in 1 hour

Explain why light-years would be used as a measurement instead of Astronomical Units (AU)?

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A star is a hot, glowing ball of gas that gives off tremendous light energy. What gas is it mainly made of?

• Oxygen

• Nitrogen

• Hydrogen

• Helium

Stars DO NOT vary much in their characteristics. They are all basically the same.

• True

• False

The colour of a star depends on its surface temperature.

• True

• False

Very hot stars look blue. Cooler stars look red.

• True

• False

Which telescope was launched into space in the 1990's that has provided us with amazing space images.

• The delorious space telescope

• The laser space telescope

• The hubble space telescope

• The transverter space telescope