Black+Holes+-+DK

Rubric: [[file:Space Exploration Adventure Rubric.doc]], [[file:Space Exploration Adventure Rubric.pdf]]

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Visuals
 * || [[image:http://www.nasa.gov/images/content/62190main_Black_Hole.jpg width="310" height="266" align="bottom" caption="An image with a black background and bright blue material falling into a black hole. The center/left of the image is a small black circle, surrounded by a disk of blue material, and jets of blue/white material flowing vertically away up and down. Off to the right is a hot white star with a white band of material being pulled off and onto the black hole disk.http://www.nasa.gov/audience/foreducators/9-12/features/F_Black_Hole_Extreme_Exploration.html "]] || [[image:http://galenet.galegroup.com/images/itkids/pct/00230181.jpg width="480" height="315" caption="Image of "Black Hole""Black Hole." (Chris Walsh/IFA Bilderteam/Jupiterimages.) Kids InfoBits Presents: Astronomy. Gale, 2008. Reproduced in Kids InfoBits. Detroit: Gale, 2012."]] ||
 * || [[image:http://www.nasa.gov/images/content/49334main_chandra_supermassive_blackh.gif width="300" height="300" align="bottom" caption="A Chandra image of the supermassive blackhole at the center of our Galaxy. http://www.nasa.gov/vision/universe/roboticexplorers/black_holes_ripple.html "]] || [[image:http://www.nasa.gov/images/content/49335main_supermassive_blackhole_199.jpg width="219" height="320" align="bottom" caption="An artist's impression of a supermassive black hole at the center of a galaxy http://www.nasa.gov/images/content/49335main_supermassive_blackhole_199.jpg. "]] ||

**Works Cited** **Sources** : "Black hole." //The Columbia Encyclopedia//, 6th ed. Columbia University Press, 2000. Reproduced in Kids InfoBits. Detroit: Gale, 2012.

"Black Holes." //Kids InfoBits Presents: Astronomy//. Gale, 2008. Reproduced in Kids InfoBits. Detroit: Gale, 2012.

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**Notes**

Because light and other forms of energy and matter are permanently trapped inside a black hole, it can never be observed directly. However, a black hole can be detected by the effect of its gravitational field on nearby objects (e.g., if it is orbited by a visible star), during the collapse while it was forming, or by the X rays and radio frequency signals emitted by rapidly swirling matter being pulled into the black hole. If two black holes collide then radiation and gravitational waves will spew across our universe.

Black holes are pockets of space with a gravitational pull so strong that nothing can escape.

A black hole is one of the strangest objects in space. It is invisible. Anything that gets pulled into a black hole is never seen again.

The left over matter of a supernova is so dense that not even light can escape it.

Using a powerful telescope scientist can study a black hole from million of miles away.

Scientist have found a black hole in our galaxy that could equal about three million of our suns. One way a black hole can form is when a massive star, called a neutron star collaspses. Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space.

Scientists think supermassive black holes were made at the same time as the galaxy they are in.

Black holes are so dense that not even light can escape its gravitational pull.