Science Flashcards
Astronomy
Study of objects/motions in space
Asteroid
a small rocky body orbiting the sun Tr
Big Bang Theory
A Theory on how Earth was made
Comet
a celestial object when near the sun, has a “tail” of gas and dust particles pointing away from the sun
Eccentricity
degrees of roundness of an object’s orbit
Ellipse
Closed Curve around 2 Foci
Foci
fixed points
Meteor
A celestial Object that enters the Earth’s atmosphere
Nuclear Fusion
The Process that causes stars to create energy
Red Shift
Proof Objects are moving away from Earth
Revolution
The movement of an object around another object
Rotation
the action of rotating around an axis or center
Solar System
the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets
Star
a fixed luminous point in the night sky
Universe
all existing matter and space considered as a whole; the cosmos