1. Scientists initially reported it to be a meteorite crater, perhaps the result of a space rock that exploded over Antarctica in 2004.

2. He said it is still not clear if the meteorite disintegrated or was buried.

3. Even with the prospects low, meteorite hunters think a single find is well worth the extensive effort.

4. There are enormous storms in the region and there is evidence of meteorite impacts of a similar age in the area.

5. First, there was a relatively short timeframe between when the meteorite was observed falling to Earth and when it was collected.

6. But the meteorite has been there for the entire span of 4 and a half billion years.

7. This particular Martian meteorite, which is formed of five fragments, is much older.