Galaxies And Space Technology

Test Description: Key terms from galaxy and space technology notes

Instructions: Answer all questions to get your test result.

1) Scientist who studies galaxies, stars, and all other things in space.

2) Collects visible light, then uses a convex lens or mirror to focus light, creating brighter larger images of things at a distance in space

3) Type of telescope that receives radio waves that are emitted from objects in space

4) Placed into orbit around Earth with special instruments and telescopes that collect information from space which is sent back to Earth to be interpreted

5) Contains instruments to collect data and travel out of Earth's orbit to explore the places that would be too dangerous for astronomers

6) Collects light from distant stars and separates that light into bands of different color; that is used to determine what the star is made of

7) Worldwide timing and navigation system that utilizes 24 satellites

8) This shape galaxy has a nucleus of bright stars and two or more arms

9) This galaxy has no definite shape

10) This galaxy has spherical or flattend disks

11) The galaxy that our solar system is in

12) (gas and dust) exist in space and are remnants from the formation of the universe

13) As galaxies move, the wavelength of light emitted from those are stretched. As it shift of light reaches the red in of the spectrum it is known as a ______


*select an answer for all questions

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