1. What does Kes73 have that makes it interesting to astronomers? *
O a pulsar
O a second star
O a black hole
O a galaxy
A: Kes73 has a pulsar, which makes it interesting to astronomers.
Kes73 is interesting to astronomers because it contains a pulsar.
To find out what makes Kes73 interesting to astronomers, you can start by searching for information on Kes73 using reliable sources such as scientific journals, space telescopes, and astronomical databases. Here are the steps you can take to get the answer to your question:
1. Start by searching for "Kes73" online using a search engine like Google or Bing. This will help you find relevant sources that discuss Kes73.
2. Look for reputable scientific journals or articles that mention Kes73. Websites like NASA's Astrophysics Data System (ADS) or the Smithsonian/NASA Astrophysics Data System might provide scientific papers related to Kes73.
3. Read through the abstracts, introductions, and conclusions of these scientific papers to see if Kes73 is mentioned as a topic of interest for astronomers.
4. Look for any specific characteristics or features that are associated with Kes73. This could include information about pulsars, second stars, black holes, or galaxies.
5. Compare and analyze the information from different sources to determine the most commonly reported and scientifically supported reason for Kes73's interest among astronomers.
Remember, the above steps are a general guide to help you find information on Kes73's interesting features. The specific answer may depend on the latest research and findings in the field of astronomy.