Q2 review

What theory explains how the universe came into existence?

Tags

NGSS.HS-ESS1-2

__________: A force that causes the acceleration of the universe’s expansion.

Which color stars are known to be the coolest?

Use the H-R Diagram below to answer: What is the color for Polaris?

Use the H-R Diagram below to answer: What is the color, brightness, and temperature for the Sun?

What are galaxies?

• Massive systems of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity

• Small clusters of stars within a solar system

• Individual stars with their own planetary systems

• Isolated clouds of gas and dust in space

Tags

NGSS.MS-ESS1-2

How do astronomers measure distances to the stars?

• By using parallax measurements

• By measuring the star's brightness

• By observing the star's color

• By calculating the star's speed

What layer of the sun’s atmosphere looks like a halo?

• Photosphere

• Chromosphere

• Corona

• Radiative Zone

What layer of the sun’s interior transfers the electromagnetic radiation from the core?

• Core

• Radiative Zone

• Convective Zone

• Photosphere

Which layer of the sun’s atmosphere is known as the color sphere?

• Photosphere

• Chromosphere

• Corona

• Core