What is a main sequence?
the region of the diagram where the star stays for most of its life
What are all 4 seasons?
summer, spring, winter, and fall
The solid outer part of the planet
Earth's crust
A long, narrow river of water
strait
When an object is closest to a star
perihelion
The measure of a star's brightness as seen from Earth
Apparent magnitude
The spinning of a body, such as a planet, on its axis.
Rotation
a large area of flat or rolling land, with no mountains and few trees.
prairie
a disk of materials that circles a planet
planetary ring
a person who rules absolutely without any checks on his power
dictator
The actual brightness of a star
Luminosity
The area of sunlight is at a maximum in one hemisphere.
solstice
To desire that which belongs to another?
Covet
Darkest part of the shadow
a picture made of tiny tiles of colored glass and stone, set into concrete
mosaic
The cloud in which the solar system form?
Solar nebula
the period of darkness
nighttime
A narrow strip of land, having water on either side, that connects two large bodies of land
Isthmus
An event during which one object in space casts a shadow onto another
eclipse
secular
The inward force that causes an object to move in a circular path.
Centripetal force
What is an equinox?
Sunlight shines equally on the northern and southern hemispheres.
Calm, peaceful
Pacific
A Greek philosipher that origionally thought that the Earth was the center of all things
Aristotle
one who goes apart from society and lives alone for religious reasons
hermit