"The most surprising result was that Earth and Mars appear to have formed in different ways.
You might have expected that two planets formed side by side in the same solar system would share a more similar formation history," author and co-lead researcher Anders Johansen, who studies planet formation at the Globe Institute, University of Copenhagen, said.
"The most surprising result was that Earth and Mars appear to have formed in different ways. You might have expected that two planets formed side by side in the same solar system would share a more similar formation history," author and co-lead researcher Anders Johansen, who studies planet formation at the Globe Institute, University of Copenhagen, said.