*Before starting this Portfolio, we strongly encourage you to have either attended the live lesson or watched the live lesson recording. Remember to use the “Check Answer” button for each item.*

Question

Matching - Select the best answer

(2 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
A huge system of millions or billions of stars, together with gas and dust, all held together by gravity
A chart that plots a star’s temperature and brightness, can also tell you spectral class and color of star
A collection of gas and dust that forms new stars or is the result of a dying star
The entire range of electromagnetic waves from low frequency to high frequency
A sphere of matter with a density and temperature great enough to cause a nuclear reaction at its center

Answer 1

1. Galaxy
2. Hertzsprung-Russell Diagram
3. Nebula
4. Electromagnetic Spectrum
5. Star