"Every indication is that this is forming a broad, continuous sheet beneath the surface," said Ken Edgett, a camera team member with Malin Space Science Systems of San Diego.

圣地亚哥马林空间科学系统（Malin Space Science Systems）照相机小组成员 Ken Edgett 表示：“每一迹象都表明，广袤、连续的冰原正在在地下形成。”

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But the company that operates the orbiting camera, Malin Space Science Systems of San Diego, California, says that the white smudge looks like the craft's parachute.

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"This set of photos shows the diversity of things we've been seeing on Mars during the last several months, " said Michael Malin of Malin Space Science Systems in San Diego.

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Ken Edgett with Malin Space Science Systems, which operates the camera for NASA, compared some of the newest Mars images for the group that gathered last week in Buffalo, New York, with those taken from 1976 to 1980 by the two Viking landers.

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