Space Part 2

What protects us from the solar winds emitted by the sun?

• Earth's Magnetosphere

• Gravitational attraction of the Moon

• Earth's Atmosphere

• UV Sunscreen

Which of the following statements is true?

• Absolute brightness is a measure of the actual (true) brightness of a star

• Absolute brightness is a measure of the brightness of a star as seen from Earth.

Which property of a star is determined by its temperature?

• Its distance from Earth

• Its brightness

• Its size

• Its age

What process is responsible for generating a star's energy?

• Photosynthesis

• Nuclear fusion

• Chemical reactions

• Gravitational collapse

Tags

NGSS.HS-ESS1-1

What term is used to describe the cooler and darker areas on the surface of the sun?

• Sunspots

• Solar flares

• Photosphere

• Corona

Which of the following is NOT part of the internal structure of the sun?

• Core

• Radiative zone

• Convective zone

• Ozone layer

What hypothesis do some scientists propose about the origin of quasars?

• They are caused by black holes at the center of two merging galaxies

• They are stars close to Earth

• They are illusions caused by atmospheric disturbances

• They are fragments of comets

Which layer of the sun's atmosphere is visible only during a solar eclipse?

• Photosphere

• Chromosphere

• Corona

• Troposphere

Tags

NGSS.MS-ESS1-1

How is the number of stars in a galaxy estimated?

• Counting the visible stars

• Using the brightness of the galaxy and estimating the size of the galaxy

• Measuring the mass of the galaxy

• Determining the shape of the galaxy

List the correct sequence of stages in the life cycle of an average star like our Sun.

• Nebula, Protostar, Main Sequence, Red Giant, White Dwarf

• Nebula, Protostar, Red Giant, Main Sequence, White Dwarf

• Main Sequence, Red Giant, Nebula, Protostar, White Dwarf

• Protostar, Nebula, Main Sequence, Red Giant, White Dwarf