Azizos & Arsu: Kepler-296e & Kepler-296f


Kepler-296e and 296f are not twin planets but it makes sense to discuss them in the same breath. For one, both are in the habitable zone (296e just skirting it) of their binary red dwarf star system and are about one and half times larger than Earth. There’s a fair chance that one is rocky (296e) but has a low chance to have life. The other (296f) may not be as solid as its sibling but has a higher chance to host life. Contradictions.

296e has a very Earth-like year of 341 days, but it may be a “slightly cooler version of Venus.” A Venus-like planet may have extremophile organisms, but one doubts. 296f has been characterized as possibly “a small Neptune-class world surrounded by a thick hydrogen/helium atmosphere or a water world with a deep ocean.” Venus-like and Neptune-class, it would seem these two ‘warm terran’ worlds give with one hand and take with the other. warm-jovian

Because the two planets have a rather high Earth Similarity Index, are near to one another, and orbit a twin star, I’ve decided to generate a name for the pair that suggests tight bond. 

I looked to ancient mythology. There are two Levantine gods, Azizos (the morning star) and Arsu (the evening star). Given the brightness of Venus in the sky, these two deities feel like appropriate choices. So, the morning star or Venus-like Kepler-296e as


and it’s maybe Neptune-like brother on camelback Kepler-296f as


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