- Áú¹®³»¿ë - Would you like to leave a message? azithromycin dosage traveler's diarrhea Known as HIP 102152, the star is a virtual twin of our sun, which in and of itself is not so unusual. But HIP 102152 is older than our 4.6-billion-year old sun -- by nearly 4 billion years, making it the oldest solar twin found to date.
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