Term
| What are constellations and are similar constellations visible in both hemishperes? |
|
Definition
| Constellations are imaginary patterns of stars in the night sky. You can't see a constellation that is in the northern hemisphere if you are in the southern hemisphere. |
|
|
Term
| What is electromagnetic radiation and what makes one form of this energy different from another. |
|
Definition
| Electromagnetic radiation is energy that travels through space in the form of waves. They are different because thay have different wavelengths and different frequencys. |
|
|
Term
| What is the difference between visible and non-visible electromagnetic energy? |
|
Definition
| You can see the visible electromagnetci energy and you can't see the non-visible electromagnetic energy. |
|
|
Term
| What is the electromagnetic spectrum? |
|
Definition
| The entire range of electromagnetic waves. |
|
|
Term
| Why are there different types of telescopes? |
|
Definition
| Because there are some advantages to the land basd telescope and the satelitte telescope. Why you would choose the landbased telescope is because it is easy to fix and it is not expensive as they satelitte telescope. The disadvantage is that the telescope has to look through more atmoshpere. The advantage to satelitte telescope is that you dont' have to look through the atmosphere and the picture id high-quality. The disadvantage is that if the telescope gets damaged it is very difficult to repair and it is very expensive because you have to go up into space. |
|
|
Term
| What information do observatories and satelittes provide astronomers? |
|
Definition
| They provide pictures and they locate different types of electromagnetic radiation in space. |
|
|
Term
| What information do spectrographs provide astronomers? |
|
Definition
| When a chemical is burning the spectrograph gives off lines which you can translate the lines and it tells you what chemical is burning. |
|
|
