Comets Multiple Choice Test

Comets tails always point ______________the Sun.

What forms the dust and gas tails of a comet?

A comet that approaches the Sun every one hundred years would be classified as a ________________ comet.

When Earth runs into the dust trail left behind by a comet that is orbiting the Sun, Earth experiences a ______________.

Where do long period comets spend most of their existence?

On a scale of 1 to 10, with 1 being very unlikely and 10 being very likely, how likely is it that a comet will strike the Earth during your lifetime?

When a long-period comet is farthest from the Sun in its orbit, which features of the comet exist?

Where do short-period comets originate?

_______________ have a nearly circular orbit.

What is the cloud of gases that forms around the nucleus of a comet called?

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