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Solar System

ch 3, lesson 2 - Sheehan

Object that orbits the sun, is spherical, but has not cleared the area of its orbit. Dwarf planet
used to measure distances within the solar system Astronomical unit
The sun, the planets, their moons, and a variety of smaller objects Solar system
small body that combined with like bodies to form all the other objects in our solar system Planetesimal
object that orbits the sun, is round, and has cleared the area of its orbit Planet
When do scientists think the Solar system formed? 4.6 billion years ago
What consists of the sun, eight planets and their moons, and several kinds of smaller objects? The solar system
The solar system formed from what? a giant cloud of gas and dust
What are small asteroid-like bodies that became the building blocks for the planets planetesimals
Name the planets in order (My Very Excited Mother Just Served Us Noodles ) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Created by: linda.dillon