Topic OneEXTREME EARTH

2 Parts of the Solar System The Inner Solar SystemMade up of… the Sun, Mercury, Venus, Earth, Mars, Asteroids and Satellites

The Outer Solar SystemMade up of… Jupiter, Saturn, Uranus, Neptune, Pluto and Comets

THE SOLAR SYSTEM

Ancient Roman astronomers gave names to the objects they studied in the sky.

“Planets” = wanderersThe viewed planets were named after Roman Gods

WHAT’S IN A NAME?

King of the Gods = ___________

God of War = ______________

Messenger of the Gods = _____________

Goddess of Love = _______________

God of agriculture = _______________

VENUS

SATURN

MARS

JUPITER

MERCURY

Jupiter

Mars

Mercury

Venus

Saturn

The remaining planets were found using telescopes…Uranus in 1781Neptune in 1846Pluto in 1930

THE REST

4.6 billion years ago there was a collision within a giant disc-shaped cloud of dust

Gravity slowly gathered nearby gas and dust into clumps

The clumps became asteroids and small early planets

EARTH’S BIRTH STORY

The larger objects continued to collide with one another creating bigger and bigger masses that slowly turned into our current solar system planets.

EARTH’S BIRTH STORY

Miles from the SunMercury = 35.98

Venus = 67.24 Earth = 92.96Mars = 141.6

Jupiter = 483.8Saturn = 890.7 Uranus = 1.787

billionNeptune = 2.795 billion

LOCATION, LOCATION, LOCATION

The Earth is made up of 3 layersCrustMantleOuter CoreInner Core

OUR PLANET

http://www.learner.org/interactives/dynamicearth/structure.html

OFF TO THE COMPUTER LAB