G9Science - CC1.3 & 1.4

Learn and ______________ the truth.

The visible part of the sun is ____________

• sun spots

• core

• photosphere

• atmosphere

What are flamelike columns of gas that make up most of the chromosphere?

• sun-spots

• spicules

• solar flare

• chromos

When is the only time that the chromosphere can be seen?

• solar eclipse

• lunar eclipse

• lunar rise

• solar flare

What is the high-speed stream of particles beating against the outer layer of Earth's atmosphere?

• solar eclipse

• solar flares

• corona

• solar wind

__________ ___________is the distance light travels in one year.

What is the distance between the sun and the earth?

• 93,000 miles

• 147.18 kilometers

• 147.18 million kilometers

• 93 miles

____________ is the apparent change in the position of an object caused by the actual change in the position of the observer.

• parsec

• corona

• solar prominences

• parallax

Choose the two things where apparent magnitude of a star depend on:

• actual brightness

• parsec

• parallax

• distance from the earth

This law states that the brightness of a star varies inversely as the square of the distance from the star.

• direct square law

• inverse square law

• absolute magnitude

• apparent magnitude