'The photosphere, the visible surface of this, is actually the innermost layer of its atmosphere'
the Sun
MATH & SCIENCE: The photosphere, the visible surface of this, is actually the innermost layer of its atmosphere
The photosphere, the visible surface of this, is actually the innermost layer of its atmosphere
The photosphere, the visible surface of this, is actually the innermost layer of its atmosphere
MATH & SCIENCE
the Sun
MATH & SCIENCE