Comet Borrelly

The comet's 5-mile-(8-km-) long nucleus is shaped like a bowling pin. Gas and dust jets are emitted from its surface. Borrelly is a short-period comet; it returns every 6.86 years.

tails are longest dust tail gas tail is straight close to the Sun, is curved, ,and narrow tails are longest dust tail gas tail is straight close to the Sun, is curved, ,and narrow a comet's tail / always points away from the Sun tail grows as the comet travels toward the Sun tail shrinks as the comet moves away from the Sun \

aphelion

100 Bowling Tips

100 Bowling Tips

Playing bowling with your friends can help you decide if it is indeed the hobby that you want to invest your time on today. Aside from that, it can help you get a better feel of the sport. More importantly, when you play with your friends, it would become a more fun activity, which you can look forward to each week.

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