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All features, stories and articles tagged with: Galaxies

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What does a Train Whistle tell us about the Universe?

What does a Train Whistle tell us about the Universe?

I remember my first visit to the railway station as a child of five. The excitement of the approaching train was an experience I have never quite forgotten. At first I heard a train whistle far away, low and distant. As the train got closer, the sound of the whistle not only increased, it became shriller, and difficult to bear. So much so that I covered my ears in alarm! Once the excitement had passed, I discovered a secret – even with my eyes closed and by just hearing the whistle, I could tell whether a train was approaching or moving away....

Which Galaxy is Visible to the Eye?

Which Galaxy is Visible to the Eye?

The sun we see everyday is just one of the thousands of stars we see at night. Such a huge collection of stars is called a galaxy. And the stars we see belong to a galaxy called the Milky Way. There are millions of galaxies in the sky, most of whom are hidden from our view. However, there are some galaxies which can be seen with the naked eye. The most famous and the brightest of these is the M31 or the Andromeda galaxy....

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