Reproducing the large Earth/Mars mass ratio requires a strong mass depletion in solids within the protoplanetary disk between 1 and 3 AU.
Loading
Astrogeology: September 2015
The long-term carbon cycle is vital for maintaining liquid water oceans on rocky planets due to the negative climate feedbacks involved in silicate weathering.
Calendar
- 25 Sep: Planet Formation and Evolution 2017
- 25 Sep: NASA Innovative Advanced Concepts (NIAC) Symposium
- 28 Sep: Astrobiology, Synthetic Biology, and the Future of Life
- 28 Sep: Hearing: The Great American Eclipse: To Totality and Beyond
- 1 Oct: International MoonBase Summit
- 2 Oct: Satellite Innovation Symposium
- 2 Oct: NASA Earth Science Advisory Committee Meeting
- 5 Oct: NASA Aerospace Safety Advisory Panel Meeting
- * Submit Your Event | More Events *
Recent Articles
Masthead
Tip your editors
tips@spaceref.com