Astronomy for beginners: How to start observing the sky by Kotwa Victor

Author:Kotwa, Victor [Kotwa, Victor]
Language: eng
Format: epub
Published: 2020-07-07T16:00:00+00:00

M45

Globular clusters are gravitational clusters of stars that are closely related and their age is comparable to that of the universe. When we observe globular clusters through binoculars, we are usually only able to see a fuzzy spot, but when the telescope is directed to this place with large magnification, we are shown a structure composed of thousands of small dots. One of the most popular formations of this type is the globular cluster in the constellation Hercules(M13).

M13

11. Nebulae - these are huge clouds of stellar dust that extend over an area of many light-years. We distinguish two types of nebulae. The first are planetary nebulae that are formed by the explosion of a star, and an example of such a nebula is the ring in the constellation Lute(M57).

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