description Kepler-444 d Overview
Kepler-444 d is a confirmed sub-Earth exoplanet orbiting the K-type star Kepler-444. It belongs to a compact system whose five known planets complete their orbits close to the host star, and whose age is estimated at roughly 11 billion years. Kepler-444 d is of interest in exoplanet research because it shows that small, likely rocky planets existed around stars formed early in the Milky Way’s history.
help Kepler-444 d FAQ
How good is Kepler-444 d?
Kepler-444 d scores 6.62/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to Kepler-444 d?
See our alternatives page for Kepler-444 d for a ranked list with scores. Top alternatives include: Kepler-444 b, Kepler-444 c, Kepler-444 e.
How does Kepler-444 d compare to Kepler-444 b?
See our detailed comparison of Kepler-444 d vs Kepler-444 b with scores, features, and an AI-powered verdict.
Is Kepler-444 d worth it in 2026?
With a score of 6.62/10, Kepler-444 d is a solid option in Exoplanet. See all Exoplanet ranked.
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