All links are rated for their entertainment value, their intellectual value and their practical value on a scale from 0 to 10, with 10 being the highest.

	Comment	Fun	Fascinating	Useful
NASA’s Mars rover photos	NASA’s site is a bit hard to navigate, but has a great treasure of imagery, like the photographs taken by the Mars rovers ‘Spirit’ and ‘Opportunity’. You have to check out the Martian Sunset and the Whirlwind!	7	10	1