click below
click below
Normal Size Small Size show me how
Planets and the Sun
Sun
Question | Answer |
---|---|
how much earths could fit in a sun | One million |
How old is the sun | 4.5 billion years old |
what is the sun made of | 75% hydrogen gas, and 25% helium gas |
what are the smallest of stars called | dwarfs |
how long does a star last | about 10 trillion years |
Is the sun the nearest or furthest star to the earth? | nearest |
what are the 6 layers to the sun | 1.corona 2. chromosphere 3.photosphere 4. convective zone 5. radiative zone 6. core |
What are prominence/solar flakes | violent gas eruptions that happen on a yearly cycle |
what are sun spots | cooler area on the sun thata appear as dark spots |
Do stars give off heat or cold | heat |
what is a galaxy | a collection trillions of stars, dust and gas |
our galaxy is called....... | the milky way |
what gases does a star have | hydrogen and helium |
are all stars the same brightness | no, some are brighter than others |
what colour is the hottest stars | white |
what are the largest and hottest stars called | blue giants |
our sun is what colour | its a yellow star |
what are the colours of stars | orange is cooler than yellow red are the coolest of the colours |
when a star no longer lets off any light it is called a | black hole |
what is it called when a group of stars form a picture | constellation |
when constellations are only seen during he summer they are called | summer constellations |
when constellations are only seen during winter months they are called | winter constellations |
what is a circumpolar constellation | constellations that can be seen all year round |