The image infuriated top Republicans in Washington, including Newt Gingrich - a former Speaker of the House of Representatives and a possible candidate for the party's 2012 presidential nomination.

VOA: standard.2009.04.20

Running circles around Bill Gates' rival image house Corbis.

FORBES: Proving their net worth

In a blow to its prestigious image, auction house Sotheby's has had its debt rating downgraded to "junk" status.

BBC: Sotheby's downgraded to junk status

"I took that image from my house in Tucson, and I was hoping to show that anyone, even from the city, can potentially see the comet!"

CNN: Stargazers capture images of comet