they didnt
how did you determine the comet hale bopp
A comet with a period of 200 years or more.
A comet with a period of 200 years or more.
A short period comet.
That's a nonperiodic comet, meaning it won't come back any time soon. It is hard to determine the exact period of such comets.
Halley's comet has a period of 76 years.
Long period comet
Yes, the time it takes for a comet to complete 1 orbit is called a period.
a comet that has the shortest period- 3 yrs. 4 mos.
Comet (C/2010 X1 (Elenin)) is a long-period comet.
You determine it by were is it moving and when a bright streek is moving
People of the Comet was created in 1948.