View from Husband Hill
NASA's Spirit rover has rolled into position for a grand view atop Husband Hill on Mars. Dust devils scoot across the landscape in the background.
By Senior space writer
updated 8/23/2005 7:11:03 PM ET 2005-08-23T23:11:03

The Spirit Mars robot is closing in on a milestone moment in its roving history — wheeling up into position atop Husband Hill. Images being transmitted by Spirit show a breathtaking view from its vantage point.

"We are within sight of the summit," said Larry Crumpler, a member of the Mars rover science team. He is also research curator in volcanology and space sciences at the New Mexico Museum of Natural History and Science in Albuquerque.

"We can see 'Home Plate' now as well. The view is really opening up," Crumpler told Mars rover science teams are prepared to do a "full summit campaign" of observations, he said.

Crumpler said in an earlier interview that once the rover reaches the summit, one of the goals there will be to take a hard look at the basin to the south where one of the long-term targets of interest — Home Plate — is located.

Anxious for a look
Many on the rover science team are hungry to get a look at the possibly layered terrain on the east side of the basin on the way to Home Plate — about a half-mile (kilometer) from Spirit's current location. The trek might take a few months, Crumpler noted.

NASA also released an animation of dust devils scooting across the Martian surface.

Spirit and its twin, Opportunity, reached Mars in January 2004 and are well beyond their initial mission timeline.

Crumpler said that Spirit's summit arrival includes a bit of jockeying around.

Rover operators are scouting out the area for a prime picture-taking spot. It is from this slightly higher locale that the big and sweeping panorama images will be taken. Also, science will be carried out at this stop, Crumpler said.

What is the hill made of?
Mars scientists hope to decipher the true makeup of Husband Hill. What exactly is this feature that Spirit is now perched atop?

"Gusev does not give up her secrets easily," said David Des Marais, an astrobiologist at NASA's Ames Research Center in Moffett Field, Calif.

Images taken by Spirit of the surrounding scene show that the summit area is quite flat, Des Marais told, and is decorated with several drift deposits. "Interesting…but no revelations so far," he said.

All of the hypotheses about the origin of Husband Hill are still quite alive and well, Des Marais noted. They include:

"We will probably examine both the sandy deposits and rocks in the summit area," Des Marais said. "Perhaps our greatest opportunity to understand how Husband Hill formed will come when we examine the rocky units that orbital images indicate might adorn the southern flanks of the hill."

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