Over the period of 11 years, the amount of sunspots increases and decreases.
Astronomers do research on planets, stars, and some other heavenly bodies. They employ both space-based technology, such as the Space Telescope Hubble and ground-based technology, such as optical telescopes. Some astronomers investigate far-off galaxies and objects like neutron stars and black holes.
Astronomy experts have the capacity to carry out study and put their beliefs to the test. Others find it enjoyable to communicate their findings of the study to the public after they've concluded their work. Furthermore, astronomy jobs pay well enough to support a family.
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