Mars Moon Phobos Likely Forged by Catastrophic Blast

Mars Moon Phobos Likely Forged by Catastrophic Blast
The ESA spacecraft Mars Express took this image of Phobos on March 7, 2010. This image has been enhanced for seeing features in the less-illuminated part of the moon. (Image credit: ESA/DLR/FU Berlin (G. Neukum))

One of the two moons

The moon, Phobos,

Scientists have long

The new study found

Phobos is one of two

What makes a

Researchers used

By analyzing the

The team also found


The research was

Too spongy for an

During the study,

The first sign came

"This number is

Other evidence

If it were denser,

In addition, the

Yet sponginess is

Finally, the motion

More missions,

Despite the evidence

The Russian

Similar studies of

  • Mars in 3-D: Photos From Mars Express
  • Video:

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