Solar System Flashcards
To test concepts learnt at the end of term 3
Asteroid
a small rocky body orbiting the sun
comet
a celestial object consisting of a nucleus of ice and dust and, when near the sun, a ‘tail’ of gas and dust particles pointing away from the sun.
planet
a celestial body moving in an elliptical orbit round a star.
the gas planets
jupiter, saturn, uranus and neptune
the rock planets
mercury, venus, earth and mars
biggest planet in our solar system
jupiter
planet in our solar system that has the longest rotation
venus(243 earth days)
rotation
time taken to turn once on its axis (a day)
revolution
time taken to move once around the Sun(a year)
revolution time for the earth
365,25 days
the planet whose year is equal to 88 earth days
mercury
the planet whose revolution is equal to 248 years
pluto
the first man in space
Yuri Gagarin
The first South African in space
Mark Shuttleworth
The first man to orbit the earth in a space craft
John Glenn