4 supersalty lakes may be hiding under the ice cap at Mars' south pole
How Did Mars Form. Web when the solar system settled into its current layout about 4.5 billion years ago, mars formed when gravity pulled swirling.
Web when the solar system settled into its current layout about 4.5 billion years ago, mars formed when gravity pulled swirling.
Web when the solar system settled into its current layout about 4.5 billion years ago, mars formed when gravity pulled swirling. Web when the solar system settled into its current layout about 4.5 billion years ago, mars formed when gravity pulled swirling.