This is a pre-Columbian image of an astronomical entity. Credit: Giggette.

Radiation entities is a lecture about entities associated with or part of radiation and radiation astronomy. It is a part of the department of radiation astronomy course on the principles of radiation astronomy.

You are free to take this quiz based on radiation entities at any time.

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Quiz

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Ignore the questions' coefficients:

1 Before the current era and perhaps before 6,000 b2k which classical planet may have been green?

2 Yes or No, After the Amarna period, Amun was painted with blue skin, symbolizing his association with air and primeval creation.

	Yes
	No

3 A radiation astronomy entity is likely to be which of the following?

	Mount Redoubt in Alaska
	a dome
	visual radiation
	Thor
	neutral particles

4 As a topic in astronomy, cosmogony deals with the origin of each astronomical

5 Chemistry phenomena associated with entities in astronomy are

	ozone
	an independent, separate, or self-contained existence
	the eyeball which is set in an eyelid of bronze, is made of opaque white quartz
	iron meteorite
	clouds of neutral hydrogen
	Hill spheres

6 Complete the text:

Modern computing has enabled new methods of creating astro , and the has enabled new methods of sharing it.

7 Complete the text:

Match up the astronomical entity with each of the possibilities below:

Agrippa - A

Hill sphere - B

a horoscope - C

Centaurus A - D

Rahu - E

dominant group - F

a relativistic jet .

a body dominates the attraction of satellites .

astronomical entities of importance .

lunar nodes .

God of the Ascending / North lunar node

the occultation of a part of the Pleiades .

8 Complete the text:

Match up the astronomical entity with the image:

Osiris - A

Rahu - B

Amun - C

Vishnu - D

Huitzilopochtli - E

Bhagwan Ayodhyapati Siyavara Shri Ramachandra - F

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9 Which of the following is not an astronomical entity?

	Mercury
	Venus
	Earth
	Mars
	Jupiter
	Saturn
	Uranus
	Neptune

10 True or False, The Moon crosses the sky occasionally sometimes in the daylight other times at night.

	TRUE
	FALSE

Hypotheses

1. Many of the entities of astronomy are the people who study astronomical objects.

See also

External links

• International Astronomical Union
• NASA/IPAC Extragalactic Database - NED
• NASA's National Space Science Data Center
• The SAO/NASA Astrophysics Data System
• SDSS Quick Look tool: SkyServer
• SIMBAD Astronomical Database
• SIMBAD Web interface, Harvard alternate
• Spacecraft Query at NASA
• Universal coordinate converter

{{Radiation astronomy resources}}