The Planetary Science Institute and The San Jaun Institute. A non-profit research institute for studies inplanetry science and astronomy. NASA work on space missions origin on solar system.

Page design by Gregg Herres and William K. Hartmann Table of Contents Introduction Published Results and Abstracts Current Research in Progress Stars form in regions of dense nebulae, consisting of gas and dust. Darker clouds are regions of thicker dust and gas, which can shrink and form small groupings of stars. For its first 50 to 100 million years, the sun and solar system were probably ...

Welcome to the ASP Homepage - The Arizona Search for Planets was begun in 1996 by Dr. Steve Howell. A series of preliminary tests were conducted to discover how to get the greatest sensitivity in our measurements. Now that those tests have been completed, we are expanding our efforts to begin a full scale survey project. This includes our joining the collaboration to operate the 1.3-m telescope ...

Page design by Gregg Herres and William K. Hartmann. PSI MGS Web Site: Table of Contents MGS Mission at PSI Introduction to Cratering Studies Published Results and Abstracts Current Research in Progress Study of Mars Landing Sites Mars Global Surveyor Launch: Eye witness painting done on site at Kennedy Space Center. Copyright William K. Hartmann. Dr. William K. Hartmann, a senior scientist at ...