The Solar System Flashcards
do the planets take the same or different amout of time to go around the sun?
different
What does the suns gravity do?
keeps the planets and astroids in the orbit.
what does the gravity of a planet do?
keeps its own satellite in orbit
whats a planets year
single orbit
is it the further out the planet is the longer it takes to orbit or the quicker time to orbit?
the further out the planet the its years take so therefore longer to orbit
how many planets are there in our solar system?
8
what are comets?
balls of ice and dust in the orbit around the sun.
what are artificial satellites orbiting the earth used for?
telecomunications
satnavs
spying on other countries
weather forecasts
what happens as a planet is further away from the sun?
the planet will move slower and it will take longer to complete an orbit
what is the closest planet to the sun?
mercury
how often does the moon circle our planet?
once every 27.5 days
what is a satellite?
a satellite is anything that orbits a celestrial body (star, planet, moon etc)
what is the earths natural satellite?
the moon
