Match # to type of object

• Thousands• Dozens• 179• 1• 8• Millions• 6-10

• STAR• Planet• Dwarf Planet• Moon• Comet• Asteroid• Meteoroid

Match # to type of object

• 1• 8• 6-10• 179• dozens• thousands• millions

• STAR• Planet• Dwarf Planet• Moon• Comet• Asteroid• Meteoroid

What is Voyager 1?

• An un-manned Space Probe• Left EARTH 9/1977• Surveyed Jupiter & Saturn• Now in INTERSTELLAR Space ( the space4

between stars)

PLANET

PLANET

• A non-luminous body that orbits the Sun

• It has sufficient mass to have enough gravity to clear its orbit

MOON

MOON- orbits a planet

DWARF PLANET

DWARF PLANET

• A non-luminous celestial body that orbits the Sun

• It is spherical but does not have enough gravity to clear its orbit

COMET

COMET

• a luminous celestial body that orbits the Sun

• It has a bright head and a long, curved tail

• Only visible when it is near the Sun

• Originates in the Oort Cloud

ASTEROID

ASTEROID

• One of thousands of small celestial bodies that orbit the Sun

• Mainly found between the orbits of Mars and Jupiter

• Small size

Formation of The Solar System

Formation of The Solar System

• Solar Nebula Theory

Solar Nebula Theory

• Rocky inner planets and gas giant out planets formed

• A rotating cloud of gas & dust became the solar Nebula

• Small objects condensed near the core forming baby planets- planetessimals

• The earth’s moon formed when it was hit by a Mars sized object

Solar Nebula Theory

• A rotating cloud of gas & dust became the solar Nebula

• Small objects condensed near the core forming baby planets- planetessimals

• Rocky inner planets and gas giant outer planets formed

• The earth’s moon formed when it was hit by a Mars sized object

What to Review

• Science World Article- Voyager 1- see class website

• Planet Classification Activity- definitions• Pocket Solar System Activity- distance• Formation of Our Solar System- homework

and Directed reading