Vocab
This is a huge collection of stars, gas, and dust
This is a meteoroid that has entered Earth's atmosphere and produces a streak of light
meteor
This is the largest planet in our solar system
Jupiter
This is the force that keeps our solar system together
The Sun's gravity
This is the color of the cooler stars
red
This is an object that orbits the Sun and is nearly spherical in shape, but shares its orbital path with other objects of similar size
Dwarf planet
These are small, rocky objects that orbit the Sun between the planets of Mars and Jupiter
asteroids
This is the order of the outer planets starting with the one closest to the Sun
Jupiter, Saturn, Uranus, Neptune
This is one of criteria for an object to be considered a planet
It has cleared its neighborhood, which means it does not have any other objects in its orbit
This is the relationship between temperature and lifespan of a star
the hotter the star, the shorter it's lifespan
the cooler the star, the longer it's lifespan
This is a large sphere of hydrogen gas, hot enough for nuclear reactions to occur in its core
star
This is a small, rocky, and icy object that orbits the Sun
comet
This is the smallest planet in our solar system
Mercury
This is one criteria for an object to be considered a planet
spherical or round shape
This is the relationship between size and lifespan of a star
the smaller the star, the longer it's lifespan
the larger the star, the shorter it's lifespan
This is an object that orbits the Sun and is nearly spherical in shape, and does not share orbital path with other objects of similar size
planet
This is a meteoroid that strikes a planet or moon
meteorite
This is the order of the inner planets starting with the one closest to the Sun
Mercury, Venus, Earth, Mars
This is one criteria for an object to be considered a planet
It orbits the Sun
This is the color of the hotter stars
blue
This is the name of our galaxy
The Milky Way
This is a small, rocky object that moves through space
meteoroid
This is the hottest planet
Venus
This is why Pluto is no longer considered a planet
This is why Venus is hotter than Mercury
Venus has a super thick atmosphere which traps heat from the Sun