Science: Earth and Space - Flashcard 34

Front

What are the dark patches on the sun's surface caused by the sun's magnetic field?

Back

Sunspots

Front

James is studying different types of stars in his astronomy class. He learns about a group of small, dim stars that are not part of the main sequence. What are these stars called?

Back

White dwarfs

Front

What is the visible surface of the sun called?

Back

Photosphere

Front

What is the thin layer of the sun's atmosphere that releases ultraviolet radiation called?

Back

Transition region

Front

What is the primary factor that determines the color of stars?

Back

Surface temperature

Front

What characteristic makes stars like giants and supergiants extremely bright?

Back

Size

Front

Mason is observing the sun through a telescope and notices a feature on the sun's surface. He learns that this feature is the same as a solar prominence but viewed from a different angle. What is Mason observing?

Back

Filament

Front

What two main characteristics influence a star's absolute magnitude?

Back

Temperature and size

Front

What are larger-than-normal convection cells that cover the sun's surface and last from 12 to 24 hours?

Back

Supergranules

Front

During a science class, Rohan was curious about the sun's atmosphere. His teacher explained that the thin layer of the sun's atmosphere that releases ultraviolet radiation is the ________.

Back

Transition region