Ecosystems Vocabulary Flashcards
The path of an object in space as it surrounds another object due to gravity
Orbit
The Star and the objects that orbit it
A Solar System
Millions- Billions of Stars that are held together in a group by their gravitational pulls
A Galaxy
Space and all the energy and matter inside of it
The Universe
An object that orbits another object
A Satelite
A round pit left on a planet after another abject hit it.
An Impact Crater
An imaginary line that a planet or object rotates
Rotation lines
A movement of one body around another
Revolution
A pattern of weather changes
A season, Example: Fall or Summer
A position in orbit where a planet’s position to a star makes it shine on both e hemispheres
Equinox
A position in Orbit which one hemisphere of a planet gains the maximum sunlight
Solstice
A plain of solidified lava on a moon
A Mare
When an object shadows over another object
It’s an Eclipse
A dark shadowed central region that’s surrounded by a lighter shadowed region
An Umbra
A lighter shadowed region surrounding a darker one
A Penumbra
The Average distance from a star
An Astronomical Unit
An oval or flatten circle
An Ellipse
A rocky or solid planet
A terrestrial planet
A large planet that is primarily made of gas
A Gas Giant
A small icy body that orbits a star
A Comet
A small solid rocky body that Orbits the sun
Asteroid
A brief streak of light caused by an object entering earth’s atmosphere
Meteor
A small object from outer space that passed through Earth’s atmosphere
Meteorite
An Earth Centered theory of the Solar System
Geocentric
A Sun centric theory of the solar system
Heliocentric
The force objects exert on each other because of their mass
Gravity
The effect that the moon has on the Earth’s ocean
The Tide
The Increase of the moons brightness
Waxing
The increase of the moon’s brightness
Waning
More than half but less than full moon
Gibbous Moon
Les than a quarter of a moon
Crescent Moon
The whole moon is illuminated
Full Moon
None of the moon is illuminated
New moon
Half of the moon is illuminated
Quarter moon
