Which characteristics can be used to differentiate star systems? Select three options.the number of stars in the systemthe level of dust and gasthe age of the stars in the systemthe way stars are organized in the systemthe color of stars in the system
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binary globular cluster ✔ open cluster
binary ✔ globular clusteropen cluster
globular clusteropen clusterbinary
Based on the information in the article, which title would be most appropriate?
Which characteristic is used to classify galaxies?
How are NGC 1427A and U different? How are they the same?
NGC 1427A and U are both examples of irregular galaxies, meaning they lack a distinct, symmetrical shape like spiral or elliptical galaxies. They are different in their origins and specific characteristics: NGC 1427A is a galaxy being torn apart by gravitational forces as it travels through a galaxy cluster, while U (often referring to specific dwarf irregulars or general classification) represents a different stage of galactic evolution or environment. Generally, they are the same in their classification as irregulars but differ in their size, composition, and the environmental forces acting upon them.
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Which statement describes the image?
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