Phenomenally Pfun Puzzle

All of the information necessary to complete this puzzle can be found in the sections on black holes and quasars. You may also find it helpful to use our Glossary. Enter your answer for each clue in the box provided for you. At any time, you can press the button (found below all the clues) to add your answers to the crossword. To change a single word, go back to where you entered the word in the box, delete the incorrect text, enter the new word, and press the button to have it show up in the puzzle. If you need to start over, press the erase button. This will clear the entire puzzle.

If the computer beeps at you and refuses to accept any more input to an answer, you have entered more than the allowable number of letters for that answer! (Two letter words should be entered as one word, since that is how they appear in the puzzle.)

Down

1. By studying quasars, astronomers hope to gather information about the early formative stages of this.

2. Hubble uses this instrument to determine the speed of gas that swirls around a black hole entrance.

3. The word quasar is short for the term radio source.
4. The amount of time it takes for a quasar to fill Earth's billion year energy needs.

6. Scientists theorize that the fuel for a black hole may be trapped stars, dust, and
9. A very compact space object which has collapsed inward due to the force of its own gravity.

10. The speed with which gas swirls around the entrance to a black hole is known as a black hole's
12. Quasars emit many different types of energy such as X-rays and rays.

Across

3. Space objects believed by many astronomers to be the most distant objects yet detected in the Universe.

5. Recently, a black hole was discovered in Virgo which has the mass of 3 billion of these.

6. A powerful field that traps everything that goes near a black hole.

7. By using this type of observation, scientists can look through the dust and gas associated with a black hole.

8. The approximate width of a typical quasar.

11. A parsec is equal to 3.26

															4
								2
				1
	5										3
6
															9
					7
																	10
									8
						12
			11

The Solution

Return to the StarChild Main Page

Go to Imagine the Universe! (A site for ages 14 and up.)

The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/ GSFC.

StarChild Authors: The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A. Whitlock
Curator:Meredith Gibb
Responsible NASA Official:Phil Newman
If you have comments or questions about the StarChild site, please send them to us.

Privacy Policy and Important Notices