NASA Astronomy Picture of the Day 5 January 2023: The Pleiades Star Cluster
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NASA’s Astronomy Picture of the Day is a stunning picture of the Pleiades star cluster, the cosmic cloud located 400 light-years away from Earth.
Stars are the most widely recognized astronomical objects, and represent the most fundamental building blocks of galaxies. They are celestial objects millions of years old floating in space. The older and bigger the star, the brighter it appears. They are formed in star-forming regions called Nebulae. The makeup of a Nebula consists of gases, mainly hydrogen and helium. After formation, many stars form groups from the same Nebula, which is known as a Star Cluster. According to NASA, Star clusters can contain as few as ten stars or as many as millions of stars.NASA's Astronomy Picture of the Day is of the Pleiades Star Cluster with its...