CSA #4 Earth Space

What are the streams of charged particles released from the upper atmosphere of the Sun called?

• Sunspots

• Solar Prominences

• Solar Winds

• Convection Currents

What is the significance of a Light Year?

• A unit of time used in astronomy.

• The distance light travels in one year.

• The brightness of a star compared to the Sun.

• The time it takes for light to travel from the Sun to the Earth.

Most stars, including our Sun, belong to which category?

• Red Giant

• White Dwarf

• Main Sequence

• Blue Giant

Which part of the sun is known as its outermost layer?

• Photosphere

• Chromosphere

• Corona

• Core

5.6 What part of the Sun is labeled with the number 3?

• Photosphere

• Chromosphere

• Radiative Zone

• Prominence

Which numbers in the image represent the solar flares on the Sun's surface?

• 234

• 567

• 890

• 123

Which of the following is NOT a characteristic shared by both the Sun and the Earth?

• they both have a magnetic field and gravity

• they both emit light and heat

• they both have an atmosphere and weather patterns

• they both have a core and undergo nuclear reactions

Which of the following statements correctly compares the luminosity of the Sun and Betelgeuse?

• Betelgeuse is more luminous than the Sun, because red supergiants are more luminous than yellow stars.

• The Sun is more luminous than Betelgeuse, because it is closer to Earth.

• The Sun and Betelgeuse have similar luminosity, because both are visible from Earth.

• Betelgeuse is less luminous than the Sun, because it is a red supergiant.

Which factor is considered when calculating the apparent magnitude of a star?

• the distance between the star and Earth.

• the type of galaxy the star is in.

• the star's rotational speed.

• the star's luminosity or brightness.

Which of the following is true about sunspots?

• They are cooler than the surrounding areas of the photosphere.

• They are permanent features on the Sun's surface.

• They do not affect solar radiation.

• They are less magnetic than the rest of the Sun.