Mercury Venus

closest planet to the sun

it is the smallest planet

made up of rocks

dry, hot, airless (no atmosphere)

covered with craters (big holes)

no moons

fastest orbit (88 days)

2nd planet from the sun

slightly smaller than Earth

very similar to Earth, scientist call it Earth's twin

covered by poisonous clouds of sulfuric acid, this causes a greenhouse effect which makes is very hot

hottest planet

inner planet that is made of rock

covered by volcanoes

rotates backwards ( clockwise)

the only inner planet that rotates backwards

no moons

3rd planet from the sun

inner planet - rocky, terrestrial, landforms

has an iron core

only with planet with water 3/4 covered

has life

has one moon

takes 365 days to orbit the sun

takes 24 hours to rotate on is axis (causing day and night)

has 4 seasons

5th largest planet