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What can we see?
When we look into the night sky we can
see many stars with our naked eye, we
see stars in our galaxy, the Milky Way.
Scientists believe the Milky Way is just
one of many galaxies. It is thought
there are hundreds of billions of
galaxies.…read more

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With the use of telescopes we have been
able to see fuzzy-looking things objects
that look bigger than stars, there were
originally called nebulae.
It was found that a nebula was actually a
collection of stars, around a spherical
cloud, this idea changed the names of
nebulae to globular clusters.…read more

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Globular Cluster…read more

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What did Hubble do?
Hubble studied the
Andromeda Nebula
and spotted a
Cepheid star. So he
measured it's
distance and realised
it was almost
1,000,000 light years
away. Much bigger
than the dimensions
of the Milky Way.…read more

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Hubble's find made him mourned as an
astronomer, and the Hubble Space
Telescope was named after him.
As the distance between galaxies is up to
13-14 thousand million light years apart,
astronomers use the units;
1Mpc = 1 million parsecs…read more

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