Two astronomers are viewing temperature data from each of the sun's layers, but the layers aren't identified. Describe one way the scientists can use temperature to identify which layer they are studying.(1 point)

The lowest temperatures are from the photosphere.

Which of the following protects Earth's atmosphere from solar wind?(1 point)

Responses

convection currents
convection currents

hydrogen atoms
hydrogen atoms

radiative zone
radiative zone

magnetosphere

magnetosphere

Which is the origin of the sun’s energy?(1 point)

Responses

burning hydrogen
burning hydrogen

solar flares
solar flares

charged particles
charged particles

nuclear fusion

nuclear fusion

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

Responses

developing mathematical models based only on known data
developing mathematical models based only on known data

using theoretical models combined with known data
using theoretical models combined with known data

observing all the layers during total solar eclipses
observing all the layers during total solar eclipses

making direct observations of the sun's layers

using theoretical models combined with known data