How can we help?

You can also find more resources in our Help Center.

29 terms

The Sun and Solar System Study Guide

STUDY
PLAY
it takes ____ mins. for light from the sun to reach Earth
8
the temperature in the core of sun is hotter or cooler than at the surface
hotter
the part of sun that gives its yellow color is
photosphere
difference between solar flares and soloar prominence
solar flares: comback, solar prominence: loop
define solar wind and what does it cause
electric charged particles out into space; auroras
the sun is made of two main gases
hydrogen and helium; produces energy by nuclear fusion
name the planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
the orbits of planets are shapes as an
ecllipse
retrograde orbits move
westward; clockwise
two planets that have retrograde orbits are
Venus and Uranus
prograde orbits move
eastward; counterclockwise
Earth-centered model of solar system
geocentris
Sun-center model of solar system is
heliocentric
terrestrial planets:
Mercury, Venus, Earth, and Mars
2 characteristics of terrestrial planets
rockycrust and made of Si, O2, Fe, no rings
terrestrial planets have a density _____ than 1
greater
the 4 gas giants
Jupiter, Saturn, Uranus, and Neptune
2 characteristics of gas giants
huge gaseous w/ rockycore and H & He, rings, satellites
jovian (gas giants) planets have a density ____ than 1
less
evening star and morning star planet
Venus
great red spot planet
Jupiter
valles marineris planet
Mars
90 degree tilt of its axis planet
Uranus
Earth's satellite
Moon
Jupiter's main satellites
Galilean, Io, Europa, Ganymear, and Callisto
Neptune's main satellites
Triton and Nereid
Pluto's main satellite
Charon
asteroid belt between planets
Mars & Jupiter
small rocky fragments traveling in space
meteoroids; meteor traveling through atmosphere; meteorite when it hits Earth