Planetary System Vocab
The planets spin on an axis
Revolution The Earth’s orbit or movement around the Sun
Axis Imaginary line running from north to south
Angle of Insolation The angle at which the Sun’s light hits the Earth
Spring Tide The highest high tides and the lowest low tides that occur during new & full moons
Neap Tides The lowest high tides & highest low tides that occur during quarter moons
Waxing When the moon gains light
Waning When the moon loses light
Gibbous More than 50% of the moon is illuminated by the sun from earths view
Crescent Less than 50% of the moon is illuminated by the sun from Earth’s view
Quarter Exactly 50% of the Moon is illuminated by the Sun from Earth’s view
Full moon 100% of the Moon is illuminated by the Sun from Earth’s view
New m n 0% of the Moon is illuminated by the Sun from Earth’s view
Lunar eclipse When the Moon passes into the Earth’s shadow
Solar eclipse When the Earth passes into the Moon’s shadow
Galactic address The place in the universe which we live in, starting with the universe and working towards our house address
Gravity factor The amount which gravity affects the mass of an object
Weight The measurement of gravity’s effect on mass
How much would I weight on... Earth: 105 The Moon: 17.4 The Sun: Mercury: 39.6 Venus: 95.2 Mars: 39.5 Jupiter: Saturn: Uranus: 93.3 Neptune: Pluto: 7