Consider the following pairs: Objects in space — Description 1. Cepheids — Giant clouds of dust and gas in space 2. Nebulae — Stars which brighten and dim periodically 3. Pulsars — Neutron stars that are formed when massive stars run out of fuel and collapse How many of the above pairs are correctly matched?
Question:
Consider the following pairs: Objects in space — Description 1. Cepheids — Giant clouds of dust and gas in space 2. Nebulae — Stars which brighten and dim periodically 3. Pulsars — Neutron stars that are formed when massive stars run out of fuel and collapse How many of the above pairs are correctly matched?
Consider the following pairs: Objects in space — Description 1. Cepheids — Giant clouds of dust and gas in space 2. Nebulae — Stars which brighten and dim periodically 3. Pulsars — Neutron stars that are formed when massive stars run out of fuel and collapse How many of the above pairs are correctly matched?
Options
Answer: Only one
Explanation:
Only pair 3 is correct. Cepheids are variable stars that brighten and dim periodically, while nebulae are clouds of gas and dust in space.
Explanation:
Only pair 3 is correct. Cepheids are variable stars that brighten and dim periodically, while nebulae are clouds of gas and dust in space.
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