one whole spin around an axis is called a
rotation
is the sun a small, medium or large star?
medium sized
the orbits of the planets have a slightly ____________ shape
elliptical
Which planet has 13 moons
Neptune
what is the region called where asteroids orbit between mars and jupiter
Asteroid Belt
the path an object takes as it revolves around a star, planet, or moon
orbit
a group of stars that form a pattern
constellations
what planet is slightly bigger than Earth's moon?
Mercury
What planet rotates on its side
Uranus
True or False: Most meteors burn before they hit Earth's Surface
True
earth's orbit is shaped
elliptical
what constellation has the Polaris star?
Little Dipper
a spacecraft that gathers data without a crew
space probe
Which planets inner rings revolve faster around the planet than the outer rings
Saturn
A frozen mass of different types of ice and dust orbiting the sun is called a
comet
when the northern hemisphere is pointed away from the sun it is the season
winter
what is an explosion eruption of waves and particles into space?
solar flares
What planet rotates in the opposite direction of Earth
Venus
who was the first person to see the four largest moons of Jupiter through his telescope
Galileo
a large round object that revolves around the sun but has not cleared the region around its orbit
dwarf planet
What is the name for the model of the sun being the center of the solar system?
Heliocentric model
What are the three atmosphere layers of the sun?
photosphere, chromosphere, corona
Which planet's soil contains iron oxide
mars
why are the outer planets called gas giants
they do not have a clearly define surface and we only find its atmospheres
What two Inner planets are the only inner planets that have moons?
Earth and Mars