description HR 8799 d Overview
HR 8799 d is a gas giant exoplanet located approximately 129 light-years from Earth. It’s notable as one of the first planets directly imaged around an A-type star and part of a multi-planet system discovered through direct imaging techniques. This planet orbits a young, Sun-like star and offers valuable data for astronomers studying planetary formation and evolution, particularly those researching systems with multiple planets.
help HR 8799 d FAQ
How good is HR 8799 d?
HR 8799 d scores 9.00/10 (Excellent) on Lunoo, making it one of the highest-rated options in the Exoplanet category.
What are the best alternatives to HR 8799 d?
See our alternatives page for HR 8799 d for a ranked list with scores. Top alternatives include: HR 8799 c, Beta Pictoris b, HR 8799 e.
How does HR 8799 d compare to HR 8799 c?
See our detailed comparison of HR 8799 d vs HR 8799 c with scores, features, and an AI-powered verdict.
Is HR 8799 d worth it in 2026?
With a score of 9.00/10, HR 8799 d is highly rated in Exoplanet. See all Exoplanet ranked.
swap_horiz
Looking for HR 8799 d alternatives?
Compare top competitors ranked & scored
arrow_forward
explore Explore More
Similar to HR 8799 d
See all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
