Wikiversity

Units/Astronomy/Quiz

< Units/Astronomy
(Redirected from Astronomy/Units/Quiz)

Units astronomy is a lecture that may be included in courses like principles of radiation astronomy. It is focused on units used to describe astronomical entities, sources, or objects, and astronomical equipment.

Hubble Space Telescope-Image of Supernova 1994D (SN1994D) in galaxy NGC 4526 (SN 1994D is the bright spot on the lower left). Credit: NASA/ESA, The Hubble Key Project Team and The High-Z Supernova Search Team.

You are free to take this quiz at any time.

Once you’ve read and studied the lecture itself, the links contained within the lecture and listed under See also, External links, you should have adequate background to to get 100 %. The template {{radiation astronomy resources}} may also help with background knowledge.

Suggestion: Have the lecture available in a separate window.

Enjoy learning by doing!

Quiz

edit

  

1 Complete the text:

Terahertz radiation refers to electromagnetic waves propagating at

in the

range.

2 Yes or No, A lightyear is a longer distance unit than a parsec.

Yes
No

3 Complete the text:

Astronomers place the submillimetre waveband between the

and

wavebands, typically taken to be between a few hundred micrometres and a millimetre.

4 True or False, A kilometre is a longer distance unit than an au.

TRUE
FALSE

5 Astronomy is not purely mathematics because of which phenomena?

the Sun
displacements consist of a number plus a dimension such as kilometers
time
a late-summer rainstorm
movement

6 True or False, The symbol π represents an irrational number encountered when calculating cyclical or circular celestial phenomena.

TRUE
FALSE

7 One use of mathematics with respect to an object in the sky is the calculation of its

8 True or False, The distance of the Earth's orbit around the Sun is called a furlong.

TRUE
FALSE

9 True or False, A hectare is a unit of flux.

TRUE
FALSE

10 Yes or No, A unit, especially in astronomy, is often a quantity chosen as a standard in terms of which quantities may be expressed.

No
Yes


Hypotheses

edit
Main resource: Hypotheses
  1. Units used in astronomy may have changed greatly since its beginnings.

See also

edit
edit

{{History of science resources}}

Retrieved from "https://en.wikiversity.org/w/index.php?title=Units/Astronomy/Quiz&oldid=2120107"