MERCURY

MERCURY IS THE:

INNERMOSTSMALLESTPLANET IN THE SOLAR SYSTEM.

orbiting the Sun once every 87.969 Earth days

INNER STRUCTURE

one of four terrestrial planets.

rocky body like the Earth radius of 2,439.7 km.

SOLAR SYSTEM

VENUS

VENUS IS THE:

second planet from the Sunorbiting the sun every 224.7 Earth days

…KNOWN as the MORNING STAR or EVENING STAR

PHYSICAL CHARACTERISTICS

one of the four solar terrestrial planets

very similar to the Earth it HAS a rocky body Earth's "sister" or "twin" diameter of Venus is only 650 km

less than the Earth's, and its mass is 81.5% of the Earth's.

SOLAR SYSTEM

EARTH

EARTH IS THE:

third planet from the Sun fifth-largest of the eight planets in the Solar Systemlargest of the Solar System's four terrestrial planets

…KNOWN as the “WORLD” (BLUE PLANET)

Home to millions of species including humans

only astronomical body where life is known to exist

radius of 6,378 km (3,963 miles),

SOLAR SYSTEM

MARS

MARS IS THE:fourth planet from the Sun in the Solar Systemnamed after the Roman god of war, Marsdescribed as the "Red Planet“

seventh in size and mass. rotational period and seasonal cycles of Mars are likewise similar to those of Earth

site of Olympus Mons and of Valles Marineris

Mars has approximately half the radius of Earth

SOLAR SYSTEM

JUPITER

Jupiter is the:fifth planet from the Sun largest planet within the Solar Systemone of the brightest objects in the night skyOne of the Jovian or outer planets.

composed primarily of gaseous and liquid matter

diameter of 142,984 km at its equator

SOLAR SYSTEM