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.
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
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
Responses
burning hydrogen
burning hydrogen
nuclear fusion
nuclear fusion
solar flares
solar flares
charged particles
nuclear fusion