How Observations of Mars are Made at Flagstaff

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

How Fertilizer Recommendations Are Made

Recommendation, as we use the word here, means advice from a soil or crop specialist to those deciding how much of, what form of, and when to apply a fertilizer to a soil to benefit growth of a plant or crop. Recommendations of fertilizers and soil amendments must consider the interactions of all the factors discussed in this manual, including the soil, the crop, the climate, the beneficial eff...

متن کامل

New insights into how seeds are made

Citation: Sabelli PA and Larkins BA (2015) New insights into how seeds are made. It is difficult to overstate the importance of seeds for the evolutionary success of the spermato-phytes and the development of human cultures and their survival. For hundreds of millions of years since their appearance in the Devonian period, seed plants have colonized many environments , thanks in part to several...

متن کامل

OGC Consensus: How Successful Standards Are Made

This paper describes the history, background, and current status of the Open Geospatial Consortium (OGC) standards development consensus process. The roots of the formation of the OGC lie in the early 1990s when a very strong market requirement for exchanging GIS data content was clearly stated. At that time, each GIS vendor had their own formats for publishing and/or exchanging their GIS data....

متن کامل

How negative truths are made true

Aaron M. Griffith Identifying plausible truthmakers for negative truths has been a serious and perennial problem for truthmaker theory. I argue here that negative truths (in particular contingent negative existential truths) are indeed made true but not in the way that positive truths are. I rely on a distinction between “existence-independence” and “variation-independence” drawn by Hofmann and...

متن کامل

Magnetic Field and Plasma Observations at Mars: Initial Results of the Mars Global Surveyor Mission

The magnetometer and electron reflectometer investigation (MAG/ER) on the Mars Global Surveyor spacecraft has obtained magnetic field and plasma observations throughout the near-Mars environment, from beyond the influence of Mars to just above the surface (at an altitude of approximately 100 kilometers). The solar wind interaction with Mars is in many ways similar to that at Venus and at an act...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Scientific American

سال: 1907

ISSN: 0036-8733

DOI: 10.1038/scientificamerican10261907-262supp