The Hubble Space Telescope is getting all the attention this week, but it still provides stunning views of space. Hubble, which has been around for over 30 years, remains one of the key instruments for looking at objects in the visible light range.
This week's image from the Hubble Space Telescope shows a cluster of stars with a blanket of stars visible over the blackness of the sky.
Hubble scientists explain that clusters of tens of thousands to millions of stars are tightly bound. The clusters are spherical due to the intense gravity between the stars. The heart of a cluster of stars is crowded with a lot of stars.
If this image seems familiar, it may be because it shows another cluster called Terzan 9. They are in different parts of the sky. Terzan 9 and Terzan 2 are in the same constellation.
The Advanced Camera for Surveys and the Wide Field Camera 3 were used to take the pictures. Hubble has a design that allows multiple instruments to inspect astronomy objects. Hubble has an 8-foot primary mirror that collects light from afar. Smaller mirrors can help direct the light into individual instruments by reflecting the light into the depths of the telescope.
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