7)What looks like a “surface” on the Sun is actually gassy, not solid. It emits

Question

7)What looks like a “surface” on the Sun is actually gassy, not solid. It emits the light that we see from Earth. What is the name of this layer? A) Cofona B)Radiation Zone C) Chromosphere D) Photosphere

8)what is true about the outermost layer of the Suns atmosphere (corona)? A) It is a few million degrees in tempeture B) it is the collest later of the Sun

9)Magnetism causes sunspots. Magnetism was found on the Sun by studying the Zeeman Effect. What does this effect cause to happen to spectral lines in a spectrum of the Sun’s light? A) It splits the lines into multiple parts B)it makes the lines thicker C) it makes lines brighter D) it makes lines darker

10) Inside the Core of the Sun, energy is generated during nuclear fusion reactions. These reactions convert hydrogen atoms into what other kind of atom? A) Ion B) Carbon C) Bertllium D) Hellium E) Hydrogen

11)Outside the core of the Sun is the radiation zone, where light and heat radiate outward like any hot object does. But higher up in the Sun, gases rise up and sink back down in circulations. What is this zone called? A) Chromosphere B) Transition Zone C) Photsphre D) Cornona E) Convection Zone F) Astmosphere

12)What is the word for the brightness that a star would have if it were moved to a standard distance (10 parsecs) from Earth? A) Absolute magnitude B) Apparent brightness C) Luminosity D) Absolute brightness E) Apparent magnitude

Explanation / Answer

7) Option D is correct.

8) Option A is correct.

Because temperatures in the sun's corona can get as high as 3.5 million degrees Fahrenheit (2 million degrees Celsius).

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