home *** CD-ROM | disk | FTP | other *** search
/ Eyewitness: Encyclopedia of Space & the Universe / DKMMSPAC.iso / def3 / orpe1g.png < prev    next >
Portable Network Graphic  |  1996-04-23  |  7KB  |  242x277  |  8-bit (42 colors)
Labels: text | screenshot | font | number
OCR: ORBITAL PERIOD THE ORBITAL PERIOD of a celestial object that is moving in a closed, curved path (orbit) around another object is the time it takes to complete one orbit. For example, the orbital period of the planet Pluto around the Sun is 248.54 years. The orbital period of the Earth around the Sun is 365.26 days.