P1.4.2 - The Solar System Flashcards
What is the nearest galaxy to our own (milky way)?
Andromeda
Do all of the objects in the night sky emit light? (emit means gives off)
No - many objects reflect light such as the Moon. Stars emit light however.
Compare and contrast the inner and outer planets of the Solar System.
- The inner planets are Mercury, Venus, Earth, and Mars.
- The outer planet are Jupiter, Saturn, Uranus, Neptune.
- The inner planets are smaller than the outer planets.
- The inner planets are made of rock but the outer planets are made of gas.
- The inner planets have shorter years than the outer planets.
- All four of the inner planets are visible from Earth but only one of the outer planets.
- The outer planets have lots more moons than the inner planets.
- The outer planets are a lot colder than the inner planets.
Which planets in our Solar System are called the ‘inner planets’?
Mercury, Venus, Earth, Mars
Which planets make up the ‘outer planets’ of our solar system?
Jupiter, Saturn, Uranus, Neptune
The planets of the solar system orbit the sun in a squashed circular direction. What do we call this squashed circle?
An ellipse shape
In our Solar System, what is found between Mars and Jupiter.
An Asteroid Belt
Put the following in order of size (smallest to largest): Solar System Planet Galaxy Universe Sun
Planet
Sun
Solar System
Galaxy
Universe
Describe the ‘outer planets’ of our solar system.
Large, further away form the sun, gas giants (made from gas)
Give 2 examples of dwarf planets
Pluto, Ceres
What is meant by a terrestrial planet?
A planet that is made from rock
Does every object that we see in the night sky orbit the Earth?
No! Meteors, stars don’t etc.
Describe the inner planets of our solar system.
Smaller, closer to the sun, terrestrial (made from solid rock)
Are the stars in the sky smaller than our Sun?
No - each star is a Sun and some are bigger than ours!
Do planets appear to wander across the night sky?
Yes, because they are orbiting the Sun.
