Yes, there are several platforms and services where you can connect with professional astronomers for conversations or educational lessons. One notable option is online education websites like Coursera, edX, and Udemy, which offer courses led by experts in the field of astronomy. These platforms sometimes include interactive elements, such as live Q&A sessions.
Additionally, marketplaces like Wyzant or Superprof allow you to find tutors in specific subjects, including astronomy, where you can choose qualified professionals based on their profiles, reviews, and rates for personalized lessons or discussions.
Furthermore, some observatories and research institutions might offer public engagement programs or virtual outreach events that provide opportunities to interact with astronomers. Always ensure to verify the credentials and backgrounds of the individuals you plan to engage with to confirm their expertise in astronomy.