"What is the definition of life? Is it likely that there is life on other planets?"
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Question
Has the grinders on spirit and opportunity turned up anything that vaguely look like small fossils?
Unfortunately, no fossils have been found on Mars. However, the resolution of the Spirit and Opportunity close-up cameras is not sufficient to reveal fossils of single-celled organisms, which are what most astrobiologists expect for life on Mars. Perhaps the most favorable scenario for detection of fossil life would take place if martian microorganisms combined to build structures like the stromatolites on Earth. It would really be great to see something like that within a martian rock, but this hasn't happened to date. David Morrison
NAI Senior Scientist
July 31, 2007
- How frequently are questions answered?
- I asked a question but there was no answer?
- Who is the Astrobiologist answering these questions?
- Will I get an email when my question is answered?
- What college courses should I take to become an astrobiologist?
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- Have aliens visited Earth? Are UFOs real?
- Is there a planet or brown dwarf called Nibiru or Eris that is approaching the Earth and threatening our planet with widespread destruction?
- Is it true that the Sun will be in the center of the Milky Way Galaxy in December 2012 and that this will cause a pole shift and massive destruction.
- Has NASA discovered life on other worlds?
- Astrobiology Career Path Suggestions
