منابع مشابه
Autonomous Rover Technology for Mars Sample Return
Planetary rovers enable good sample selection and retrieval for Mars sample return missions. After landing, the rovers search for the best possible scientific samples in the region around a lander, and they return these selected samples to an ascent vehicle that launches the samples into Mars orbit. To streamline the search for, the acquisition, and the retrieval of samples, rover autonomy is a...
متن کاملSample Return from “water” Seeps on Mars
Motivation: Some of the most intriguing science discoveries on Mars came from sites that are currently inaccessible for in-situ analysis and sample return. The recent discovery of recurring slope lineae (RSL), such as those observed in Newton crater, are on steep slopes (25° – 40°) that are hundreds of meters down from the crater rim. In-situ analysis and sample capture of out-flow deposits tha...
متن کاملMars Ascent Propulsion Options for Small Sample Return Vehicles
An unprecedented combination of high propellant fraction and small size is required for affordable-scale Mars return, regardless of the number of stages, or whether Mars orbit rendezvous or in-situ propellant options are used. Conventional space propulsion technology is too heavy, even without structure or other stage subsystems. The application of launch vehicle design principles to the develo...
متن کاملLong-Range Rovers for Mars Exploration and Sample Return
This paper discusses long-range rovers to be flown as part of NASA’s newly reformulated Mars Exploration Program (MEP). These rovers are currently scheduled for launch first in 2007 as part of a joint science and technology mission, and then again in 2011 as part of a planned Mars Sample Return (MSR) mission. These rovers are characterized by substantially longer range capability than their pre...
متن کاملذخیره 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: Nature
سال: 1987
ISSN: 0028-0836,1476-4687
DOI: 10.1038/328284b0