Idk Planets Or Something Flashcards
The sun has a diameter 100 that’s times bigger than earth’s
The Suns core reaches 15,000,000°C and the surface reaches 5,500°C
Orbit-
Following a path
Revolution
Earth going all the way around the sun - takes 365.24 dayz
Rotates
Spinning on rotational axis.
Rotational axis
Imaginary line on which the earth rotates
Elipse
Elongated, closed curve
What causes the seasons to change?
The tilt of earth’s rotational axis, combined with earth’s motion around the sun
Solstice-
Day when earth’s rotation axis is the most toward or away from the sun
When are the the summer and winter solstices?
Summer - June 20/21 in northern hemisphere
Winter - December 21/22 in northern hemisphere
Equinox-
Day when earth’s rotation axis is leaning along earth’s orbit, neither toward or away from the sun.
When are the spring and fall equinoxes?
Spring - March 20/21
Fall - September 22/23