Studying space helps us to understand our own planet and gives us an understanding of our place in the universe. Exploring the possible origins of the universe gives us insight into where everything around us might have come from.
LO 1, 2 Earth and Space strand LO 1 Nature of Science strand
35.1 Our universe
Our universe is all of space and everything in it. The universe contains many different types of objects, including: Stars
l l l l l
Planets and dwarf planets Satellites and moons Asteroids Comets
Stars A star is a very big ball of burning gas. Stars are not star shaped – they are spherical like a ball. Stars give off huge amounts of light and heat. They can be seen from millions of kilometres away because they are so bright. Stars can be different colours. The hottest stars are blue and the coolest stars are red. Our sun is a yellow star. Our sun is just one star among a very large group of stars called a galaxy.
Research this The life cycle of a star: Our sun is a yellow star. Find out how stars form, exist and eventually disappear. Find out how far our sun is through its life cycle.
The universe is all of space and everything in it.
A star is a large ball of gas that gives off light and heat.
