True or False
True or False
In a geocentric model of the solar system, the sun is at the center
false, earth
p 36
oval-shaped orbit
a. axis
b. ellipse
c. solstice
b. ellipse
p 37
Dwarf planets may share the orbit of other celestial bodies.
true
p 37
Earth's position in the solar system
a. habitable zone
b. solar system
c. constellation
a. habitable zone
Terrestrial planets are also called the outer planets
false, inner
p 38
imaginary line upon which a planet rotates
a. equinox
b. satellite
c. axis
c. axis
p 44
An asteroid has a nucleus, coma, and a tail
false, comet
p 41
occurs when the sun is directly above the earth's equator
a. equinox
b. solstice
c. lunar cycle
a. equinox
p 45
The first American in space was John Glenn
false, Alan Shepard, Jr.
p 54
sun positioned between two equinoxes
a. gravity
b. habitual zone
c. solstice
c. solstice
p 45
The flight and space agency for the United States is SpaceX
false, NASA
p 54
object orbiting another object
a. satellite
b. lunar cycle
c. axis
a. satellite
p 45
repetitive process that causes the moon's appearance to wax and wane
a. ellipse
b. solstice
c. lunar cycle
c. lunar cycle
p 46
a. constellation
b. solar system
c. satellite
p 47