Is there evidence to support past life on Mars?

  • Level: High School 
  • Thread starter Thread starter Richard87
  • Start date Start date
  • Tags Tags
    Life Mars
Join the discussion
Registration is free. Start your own thread to ask a follow-up.
Sign up Log in
30 replies · 7K views
DaveC426913 said:
I'm not sure about "almost immediately". 4.5 / .7 is > 15%.

That's almost 1/6th of its age spent lifeless.

It's important to note that the Earth had life as soon as it became habitable. Not as soon as it was formed.
 

Similar threads

Graduate Likelihood of confirming past life on Mars
  • dilletante
  • · Replies 6 ·
  • Astronomy, Astrophysics, Cosmology
Replies
6
Undergrad Evidence to support the theory of stellar nucleosynthesis?
  • Hunter1234
  • · Replies 3 ·
  • Astronomy, Astrophysics, Cosmology
Replies
3
Is there any evidence to support the belief that tech doesn’t end?
  • Maximum7
  • · Replies 23 ·
  • Computing and Technology
Replies
23
Undergrad Australian Scientists Confirm Past Life On Mars
  • Nommos Prime (Dogon)
  • · Replies 3 ·
  • Astronomy, Astrophysics, Cosmology
Replies
3
  • Poll Poll
High School Is There Life on Mars and How Does Water Play a Role?
  • Chris_Gottschal
  • · Replies 15 ·
  • Astronomy, Astrophysics, Cosmology
Replies
15
Questioning "Proof" of Past Life on Mars Found Through Rocks on Earth
  • Pattonias
  • · Replies 3 ·
  • Earth Sciences
Replies
3
Undergrad Can Beagle 2 Lander uncover evidence of life on Mars?
  • Nommos Prime (Dogon)
  • · Replies 22 ·
  • Astronomy, Astrophysics, Cosmology
Replies
22
Undergrad Is There Evidence of Life on Mars?
  • Chronos
  • · Replies 3 ·
  • Astronomy, Astrophysics, Cosmology
Replies
3
Would we be able to tell if fossilized life on Mars is DNA-based?
  • bostonnew
  • · Replies 7 ·
  • Biology and Medical
Replies
7
Medical What is the evidence in support of the anti-vaccine movement?
  • cvickst
  • · Replies 17 ·
  • Biology and Medical
Replies
17