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Actually the terms "Globular" and "Open" are not related to the number but the age of the stars. Globlular clusters are many old stars packed in spherical form (they look like hazy mothballs to the naked eye) and "open clusters" are many young stars formed close to each other. The constellation Pleiades is an example of open cluster.
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JudyFalse. Globular clusters typically contain many more stars than open clusters, with some globular clusters containing hundreds of thousands to millions of stars tightly packed together. Open clusters, on the other hand, usually have fewer stars and are more loosely dispersed.
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A typical supercluster contains no more than about 10000 stars?
Actually, a supercluster can contain millions to billions of stars, along with gas, dust, and dark matter. Superclusters are some of the largest known structures in the universe, made up of numerous galaxies and galaxy clusters bound together by gravity. They can span hundreds of millions of light-years.
True or false. A concave lens usually produces real images?
False. A concave lens usually produces virtual images. Concave lenses cause light rays to diverge, so the image formed is located behind the lens and cannot be projected onto a screen.
Is it true or false the troposphere is divided into the ionosphere and the exosphere?
That is false.
Is it true or false that if you want a space to look father away you should color the space darker with a lot of detail?
False
When the near side of the moon is dark it is called a full moon true or false?
It is false.
