A Comet Has a Tail Because

question 2

Multiple Choice

A comet has a tail because

• A)it elongates as it travels through space, which creates the appearance of a tail.
• B)when it comes close enough to the sun, some of its volatile materials start vaporizing and vent into space, creating a tail.
• C)when it travels fast enough, it heats as a result of friction and some of its volatile materials start to burn, producing a tail.
• D)when it enters Earth's atmosphere, the friction causes it to begin to vaporize, producing a brilliant trail of light.