Small Solar System Objects Flashcards
What does kometes mean
Long hair
Write a few sentences to summarize the structure of a comet
Solid nucleus. Surrounded by gas and dust from a fuzzy outer layer called coma. And a gas tail
The object is slightly smaller than Pluto. It orbits the sun beyond Neptune and is spherical
Dwarf planet
This object is irregularly shaped. It orbits the sun just outside of Mars
Asteroid
This object is a chunk of rock and metal. It was once part of another object that orbited the sun
Meteoroid
This object is composed of ice and rock. It orbits the sun in an elongated orbit, raking many years to complete one orbit
Comet
Which to types of objects are hardest to tell apart? Why?
Asteroid + meteoroid. Because a meteoroid is just a smaller asteroid
______ are rocky, while _______ are made of ice and dust
Asteroids Comets
What is the difference between a dwarf planet and an Asteroid
DP have enough gravity to pull together to be a sphere, while asteroids don’t
How and why does a comet change as it approaches the sun?
It s tail grows because it gets energy/heat from the sun
All the solar system objects include
Dwarf planets, asteroids, meteoroids, comets
Meteoroid
A chunk of rock or dust in space, generally smaller then an asteroid
Dwarf planet
An object that orbits the sun and is spherical, but has not cleared the area of its orbit. And many objects are in the way of its orbit
Comet
Loose collection of ice, dust, and small rock particles that glow and stream outwards.
What year where dwarf planets developed
2006