Beyond the Solar System Flashcards
What are constellations?
Patterns of stars
Why can constellations be useful?
They can be used to let you work our which way is north
What are stars?
Stars are huge balls of gas that give out large amounts of energy
Why are the stars that you see at night not as bright compared to the sun?
Because they are much further away
Why can’t we see stars during the day?
Because light from them is very faint compared with light from the sun
All of the galaxies make up the…
Universe
What are galaxies?
Galaxies are groups of stars put together
The sun is in a galaxy called the…
Milky Way
How do scientists measure how far stars are?
By light years
Approximately how far is one light year?
10 000 000 000 000 km (ten million million kilometres)
What is the name of the nearest star to the Sun?
Proxima Centrauri
How far in light years is Proxima Centauri from the Sun?
4.22 light years