Astronomy comet ison

Comet ISON

What is a Comet

Comet ISON • Discovered by

Russians Vitali Nevski and Artyom Novichonok using the International Scientific Optical Network

• It was first seen in pictures taken by a 15.7 inch reflecting telescope

NASA Deep Impact Spacecraft

http://www.voanews.com/content/nasa-captures-first-images-ison-comet/1599119.html

When first sighted it was 625 million miles away from earth in the constellation of Cancer

When First Sighted

When First Sighted

It measured 18.8 on the reverse scale

(100,000 times fainter than the dimmest star we can see with our eyes)

As it gets closer to the sun...

Sources

http://www.space.com/17762-newfound-comet-dazzling-2013-display-c2012s1.html

http://apod.nasa.gov/apod/ap950826.html

http://en.wikipedia.org/wiki/File:Comet_P1_McNaught02_-_23-01-07.jpg

This Thanksgiving