Solar System Size and Scale
Saturn
Sixth planet from the Sun, has the most spectacular set of rings in the solar system, 62 moons, complex ring system.
Galaxy
Which is larger a galaxy or star?
Moon
Which is larger a moon or planet?
Star
Which is larger a star or planet?
Star
Which is larger most of the time a planet or star?
Moon
not a planet but it orbits our earth
Cosmic Microwave Background Radiation
old light that has been traveling through space ever since it was created shortly after the Big Bang
light year
the distance light travels in one year
Mercury
the fastest planet
Milky Way
the galaxy containing the solar system
Venus
the hottest planet
Jupiter
the largest planet
Observable universe
the portion of the entire universe that we can see
Galaxy
A collection of stars, dust, and gas bound together by gravity
Supercluster
A grouping of an enormous number of galaxies.
Star
A huge ball of gases that makes its own heat and light
Scale model
A model of an object in which the dimensions are in proportion to the actual dimensions of the object.
Kuiper belt
A region of the solar system that is just beyond the orbit of Neptune and that contains small bodies made mostly of ice
Jupiter
It has at least 63 moons.
Neptune
It has the fastest winds in the Solar System.
Mars
It is called the Red planet.
Uranus
It's light blue and the coldest planet
Mercury
It's the closest to the Sun.
Mercury
Planet closest to the Sun; has a thin atmosphere w/ temp. extremes, an iron core, & many craters & high cliffs
Neptune
8th from the sun, no atmosphere, furthest out, high methane content, has the great dark spot
Comet
A ball of frozen dust and rock that orbits the sun and has a tail that glows
Venus
2nd planet from Sun; has a dense atmosphere & known to rain acid w/ high temp.'s, a surface w/ craters, faultlike cracks, & volcanoes; sometimes called Earth's twin
Earth
3rd planet from sun; has an atmosphere that protects life & surface temp.'s that allow water to exist as a solid, liquid, & gas
Uranus
7th planet from the Sun, has unusual spin axis, a faint ring system and 27 known moons.
Universe
All of space and everything in it
Pluto
Dwarf planet
Outer planets
The four planets in between the Asteroid Belt and Kuiper Belt made mostly of gas and of large size
Inner planets
The four planets inside the Asteroid belt, Mercury, Venis, Earth, and Mars made of rocks and of small size
Jupiter
The largest planet in the solar system, with moons, and a fast rotation rate
Sun
The star at the center of our solar system
Local group
a cluster of galaxies in which the Milky Way is located.
Planet
a large body in space that orbits a star and does not produce light on its own
Gravity
a natural force that pulls two objects toward one another
Moon
a natural object that revolves around a planet
Orbit
a path of an object as it circles around another object in outer space
Comet
a small object in space that orbits a star and is made of ice, dust particles, and frozen gases
Asteroid
a small rocky body orbiting the sun
Solar System
the Sun and the planets and other objects that orbit the Sun
