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

Responses

convection currents
convection currents

hydrogen atoms
hydrogen atoms

magnetosphere
magnetosphere

radiative zone

7 answers

magnetosphere
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)
Responses

The highest temperatures are from the corona.
The highest temperatures are from the corona.

The highest temperatures are from the radiative zone.
The highest temperatures are from the radiative zone.

The lowest temperatures are from the photosphere.
The lowest temperatures are from the photosphere.

The lowest temperatures are from the core.
The highest temperatures are from the corona.
How have astronomers formed their ideas about the layers of the sun?(1 point)
Responses

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

making direct observations of the sun's layers
making direct observations of the sun's layers

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

observing all the layers during total solar eclipses
using theoretical models combined with known data
Which is the origin of the sun’s energy?(1 point)
Responses

burning hydrogen
burning hydrogen

nuclear fusion
nuclear fusion

solar flares
solar flares

charged particles
nuclear fusion