Question

how have astronomers formed their ideas about the layers of the sun? (1 point)

using theoretical models combined with known data

making direct observations of the suns layers

developing mathematical models based only on known data

observing all the layers during total solar eclipses

Explanation:

Direct observation of the Sun's inner layers is impossible due to the Sun's dense outer layers blocking light. Total solar eclipses only allow viewing of the outermost corona, not all layers. Astronomers instead create theoretical frameworks that are tested and refined using measurable data like solar radiation, solar wind, and spectral analysis.

Answer:

using theoretical models combined with known data