article_snippet.sent: Nasa scientists in California reveal new views of the two brightest spots in a crater (shown).
article_snippet.sent: The Hubble Space Telescope has found more than 10 on the surface, but Ceres has found that the two most prominent - ‘spot 5’ - are in a crater about 57 miles (92km) wide.
article_snippet.sent: One theory is that the two most prominent - ‘spot 5’ - are in a crater about 57 miles (92km) wide are salt flats that are reflecting sunlight, left on the surface by saltwater.
article_snippet.sent: Another theory is that the two most prominent - ‘spot 5’ - are in a crater about 57 miles (92km) wide are regions of ice, again reflecting sunlight.
article_snippet.sent: The two brightest spots seen in a crater are known as ‘spot 5’.
highlights_snippet.sent: Nasa scientists in California show new views of the two brightest spots in a crater .
  