When a coffee stain dries, its edges become noticeably darker and thicker, while the middle of the stain remains almost unsoiled.
Pristine material that matches comets in our own solar system have been found in a dust belt around the young star Beta Pictoris by ESA’s Herschel space observatory.
Day in Pics: 31st March
Showbiz World - March 31, 2015
Katrina Kaif’s wax statue at Madame Tussauds unveiled!