copy of earthrevolution
TRANSCRIPT
MeteorologyMeteorology
Earth’s RevolutionEarth’s Revolution
NotesNotes
1. One 1. One completecomplete trip of an object in its trip of an object in its orbitorbit around the sun takes one year. around the sun takes one year.
How many days does it take for the Earth How many days does it take for the Earth to orbit once around the sun? to orbit once around the sun? Hint: How many days are in one year on Hint: How many days are in one year on
Earth?Earth?
2. Half the 2. Half the revolutionrevolution of Earth around the of Earth around the sun equals one half a year (6 months).sun equals one half a year (6 months).
Earth’s orbit around the Sun is counterclockwise.
3.3. Revolution Revolution is the time it takes to complete is the time it takes to complete one orbit. one orbit.
9. Orbit-The 9. Orbit-The pathpath of a planet traveling of a planet traveling around a star.around a star.
What is the difference between What is the difference between Earth’s rotation and Earth’s Earth’s rotation and Earth’s revolution?revolution?
Rotation is a complete spin on an axis, Rotation is a complete spin on an axis, causing one day on Earth.causing one day on Earth.
Is a year on other planets the same length Is a year on other planets the same length as a year on Earth? Why or why not?as a year on Earth? Why or why not?
Planets are all different distances away from the Sun.
Time for a complete orbit around Time for a complete orbit around the Sun (in Earth days)the Sun (in Earth days)
MercuryMercury 88 days88 days
VenusVenus 224 days224 days
EarthEarth 365 days365 days
MarsMars 687 days687 days
JupiterJupiter 4,333 days4,333 days
SaturnSaturn 10,759 days10,759 days
UranusUranus 30,685 days30,685 days
NeptuneNeptune 60,188 days60,188 days