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If the Sun stopped producing energy, then all fusion would cease in its
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
The Aurora Borealis, sometimes called the Northern Lights, is a broad display of faint light in the northern skies at night. What is the main cause of these lights?
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
Which unit of measure BEST describes the distance between stars within a galaxy?
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
One evening, several regional electrical power grids were disrupted. At the same time, cellphone users lost service. Which solar phenomena is the most likely cause?
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
Which BEST describes the age of stars in the Milky Way?
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
The term for the total rate at which a star emits radiation energy is:
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
Which BEST describes the center of the Milky Way?
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
Which of these statements about the properties of a star is TRUE?
Core
Charged particles from solar wind enter Earth’s atmosphere and interact with atmospheric gases, crea
light-year
apparent magnitude
All stars in the universe are roughly the same age.
The oldest stars are in the galactic center, while the youngest are in the spiral arms.
solar flares
The center of the Milky Way is densely populated by stars.
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