Assertion: asthenosphere's temperature | /r/HasProperty | about 6,700 to 7,800 degrees
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text: Geologists think the temperature of Earth's outer core is about 6,700 to 7,800 degrees F (3,700 to 4,300 degrees C) and that the inner core may reach 12,600 degrees F (7,000 degrees C) — hotter than the surface of the sun.