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
Choose the word from the drop-down menu that completes each sentence.
Choose the word from the drop-down menu that completes each sentence.
binary globular cluster ✔ open cluster
binary ✔ globular clusteropen cluster
globular cluster✔ open clusterX binary
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 is larger and has a more irregular, nonuniform shape, while U is smaller and shaped like a pinwheel. Both galaxies contain dust, gas, and stars.
Which ideas did you include in your answer? Check all that apply.
Which statement describes the image?
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