Solar System Flashcards
What is the Big Bang Theory?
All the energy in matter in the universe was compressed into a very tiny space, which exploded and began to expand.
What is cosmology
The study of space.
What is the Goldilocks zone?
It is the only habitable zone for life in our solar system.
What is the order of the planets?
(my very educated mother just served us nachos)
Mercury Venus Earth mars Jupiter Saturn Uranus Neptune.
What is 1 year one year on earth?
365 and 1/4 days
What is one day on earth?
The length of time for earth to rotate on its axis.
What is a satellite?
And an object that orbits a planet
What happens in the waning stage?
the moon goes darker- full moon to new moon
What is a natural satellite?
Not man-made
What is an artificial satellite?
Man-made.
What are all the gas planets?
(Descrition)
Furthest four from the sun
Lots of moons each.
Bigger than the rocky planets.
Made of hydrogen and helium.
What happens in the waning stage?
the moon goes darker- full moon to new moon
What happens in the waxing stage?
The moon gets lighter- new moon to full moon
What are the stages of the moon?
(waxing and waning)
Waning: Gibbous, 3/4, cresent and new
Waxing: Cresent, 1/4, gibbous, full
What phase is the moon in if the right side is lit up?
Waxing-getting smaller
What phase is the moon in if the left side is lit up
Waning-getting bigger
What is a solar eclipse?
(order)
Sun-moon-earth.
What is a lunar eclipse?
Sun-earth-moon.
When the moon is in the apogee of its orbit, it is:
Furthest from the earth
When the moon is in the perigee of its orbit, it is:
closest to the earth
The penumbra of an eclipse is:
The partially shaded bit-partial eclipse
The umbra of an eclipse is:
The fully shaded bit-total eclipse
what is the heliocentric model
sun was the centre of the universe
What is the Geocentric model?
earth was the centre of the universe.
