Difference between Astrophysics and Planetary Science?

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Astrophysics and planetary science are closely related fields, with planetary science being a subset of astrophysics that focuses specifically on the formation and evolution of planets. The main difference lies in their scope; astrophysics encompasses a broader range of topics, including stars, galaxies, and cosmology, while planetary science zeroes in on planets, moons, and planetary systems. The responsibility for the first cloud map of an exoplanet, specifically Kepler-7b, is nuanced. While both fields contribute to the understanding of such phenomena, the credit for the cloud map is attributed to astronomy, as it was derived from direct observational data. The publication source often dictates credit, highlighting the collaborative nature of scientific research across disciplines.
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What are the main differences between Astrophysics* and Planetary Science? What are their roles? And, which of the two is responsible for the first cloud map of a planet outside of our solar system?
http://www.space.com/23043-alien-planet-cloud-map-image-kepler-7b.html

*I mean just the Planet Formation and Evolution part.
 
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Planetary science is properly a subset of astrophysics.
Neither and both are "responsible" for the cloud map of an exo-planet.
Who gets the credit depends on where it was first published... but, since the map is from direct observation, I'd say it was "astronomy".
 

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