Time it takes to rotate
what is 24 hours or 1 day?
Time it takes the Earth to revolve around the Sun
What is 365.25 days or 1 year?
Name both the hemispheres
what is northern hemisphere and southern hemisphere?
Earth revolves around this
What is the sun?
What are star nurseries called?
What is a nebula?
What is the name of our galaxy?
Rotation meaning
what is spin or turn?
This caused by Earth's orbit around the Sun and the tilt of Earth's axis
What is Seasons?
When the Northern hemisphere is experiencing long days, short nights and tilted toward the Sun, name the season
What is summer?
What is false?
What is an area so dense that not even light can escape it called?
What is a black hole?
What is a huge groups of dust, stars, gas and other objects bound together by gravitational forces and categorized by shape?
What is galaxies?
Causes of day and night on Earth
What is rotation of Earth on its axis
Define revolution
What is to go around an object?
What causes winter in the northern hemisphere?
the tilt of Earth's axis
True or false the earth revolves around the sun in a elliptical orbit
what is true?
Where would you find our Sun on an HR diagram?
What is the main sequence?
Describe the properties of an irregular galaxy.
What is they have no distinct shape and are the youngest?
Most likely to happen if Earth was not tilted on its axis
What is lengths of day and night on Earth would always be equal?
What would happen to the seasons if Earth's axis were no longer tilted
What is there would be no more seasons?
Northern hemisphere is experiencing summer the southern hemisphere is experiences
What is winter?
true or false the earth has more land then water
What is false?
What is very bright and extremely hot?
What is they consist of stars, dust, and gas gathered in spiral arms that spread out from a central concentration of stars known as the bulge?
true or false half of Earth experiences day while the other half it's night
What is True?
Two most important causes of Earth's seasons
What is Earth's tilt and revolution?
Southern hemisphere is experiencing short days, long nights and tilted away from the Sun, name the season
What is winter?
Time it takes for the Earth to Rotate on its axis and revolve around the Sun
What is 24 hrs and 365.25 days?
What is a supernova?
What is a star explosion?
Which galaxies are old and no longer create new stars?
What are elliptical galaxies?