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Guide to our Galaxy

21 Nov 2013, 15:02 UTC
Guide to our Galaxy
(200 words excerpt, click title or image to see full post)

Take a virtual journey through the Milky Way! This virtual journey shows the different components that make up our home galaxy, the Milky Way, which contains about a hundred billion stars. It starts at the black hole at the centre … Continue reading →

Take a virtual journey through the Milky Way!

This virtual journey shows the different components that make up our home galaxy, the Milky Way, which contains about a hundred billion stars.
It starts at the black hole at the centre of the Milky Way and with the stars that orbit around it, before zooming out through the central Galactic Bulge, which hosts about ten billion stars.
The journey continues through a younger population of stars in the stellar disc, home to most of the Milky Way's stars, and which is embedded in a slightly larger gaseous disc. Stars in the disc are arranged in a spiral arm pattern and orbit the centre of the Galaxy.
The discs and bulge are embedded in the stellar halo, a spherical structure that consists of a large number of globular clusters – the oldest population of stars in the Galaxy – as well as many isolated stars. An even ...

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