Solstices & Equinoxes
What is the Summer Solstice?
Longest day of the year (around June 21).
How long is a lunar cycle?
About 29.5 days
Where is a meteroid?
In space.
What is gravity?
Force that pulls objects together.
What causes tides?
Gravitational pull of the moon and sun
What is the Winter Solstice?
Shortest day of the year (around December 21).
What does waxing mean?
The moon is getting bigger.
Burning up in the atmosphere (shooting star)
How does mass affect gravity?
More mass = more gravity
What is a Spring Tide?
Extra high/low tides (when sun, moon, and earth align)
What is the Spring Equinox?
Day and night are equal (around March 21).
What does waning mean?
The moon is getting smaller.
Where is a meterorite?
Hitting the earth's surface.
What are inner planets?
Mercury, Venus, Earth, Mars (rocky planets)
What is a neap tide?
Less extreme tides (sun and moon at right angles)
What is the Autumn Equinox?
Day and night are equal (around September 22).
When does a full moon occur?
When the moon is opposite the sun.
Where is the asteroid belt?
Between Mars & Jupiter.
What are outer planets?
Jupiter, Saturn, Uranus, Neptune (gas/ice giants)
What is an AU?
Astronomical Unit
Why do we have seasons?
Earth's tilt of 23.5° affects sunlight received.
When does a new moon occur?
When the moon is between the earth and the sun.
What is the largest asteroid?
Ceres
What are the Galilean moons?
Io, Europa, Ganymede, Callisto.
How long is 1 revolution?
365.25 days