1. What does Kes73 have that makes it interesting to astronomers? * a pulsar a second star a black hole a galaxy

Kes73 is not a known astronomical object, so it does not have any specific features or characteristics that make it interesting to astronomers.

Kes73, also known as PSR J1841-0500, is a binary system consisting of a pulsar and a second star. This system is of interest to astronomers because it exhibits some unique characteristics. The pulsar in Kes73, which is a highly magnetized, rotating neutron star, emits regular pulses of electromagnetic radiation. This makes it a useful cosmic clock for studying various astrophysical phenomena. Additionally, the presence of a companion star provides astronomers with an opportunity to study the interactions between the two objects, such as mass transfer and orbital dynamics. Therefore, Kes73 offers valuable insights into the behavior and evolution of binary systems in our universe.

To determine what Kes73 has that makes it interesting to astronomers, we can follow a few steps:

1. Start by performing a search using the keyword "Kes73" to gather information about it. You can use search engines or astronomical databases like NASA's Exoplanet Archive or the International Astronomical Union's SIMBAD database.

2. Review the available information and examine any scientific articles, news reports, or research papers related to Kes73. Pay attention to details such as its location, characteristics, and any significant discoveries or observations linked to it.

3. Look for specific keywords related to pulsars, stars, black holes, or galaxies in the information you collected. Compare these keywords to what you found about Kes73 to see if any of them are mentioned in relation to it.

Once you have completed these steps, you should have a clearer understanding of what Kes73 has that makes it interesting to astronomers.