Results 81 to 90 of about 53,602 (307)
Development of a chemical heater for a Mars rough-landing capsule [PDF]
Chemical reaction heater for Mars rough-landing ...
Gram, M. B.
core +1 more source
Advanced Intelligent Systems, EarlyView.This review explores invertebrate biohybrid robots that integrate living organisms—such as insects, jellyfish, spiders, and sea slugs—into robotic systems for locomotion, sensing, and actuation. The advantages in efficiency and cost, discuss control, and power challenges are highlighted, and future considerations to guide the development of sustainable,
Charles J. Fraga +2 more
wiley +1 more source
Assessment of Mars Pathfinder landing site predictions [PDF]
, 1999 M. P. Golombek +4 more
openalex +1 more source
The 1990/1991 project summaries [PDF]
Four projects carried out in 1990-9l at the University of California, Los Angeles, under NASA/USRA sponsorship are summarized. One of the projects described is a mission design, the three others include the design and construction of space-related ...
core +1 more source
American Journal of Botany, EarlyView.Abstract Premise Amphistomy, the presence of stomata on both leaf surfaces, can increase photosynthesis yet is uncommon across vascular plants. The relative infrequency of amphistomy is often attributed to high costs, such as transpirational water loss.
Genevieve Triplett, Aaron S. David
wiley +1 more source
Mid Lift-to-Drag Ratio Rigid Vehicle 6-DoF Performance for Human Mars Entry, Descent, and Landing: A Fractional Polynomial Powered Descent Guidance Approach [PDF]
Defining a feasible vehicle design and mission architecture capable of reliably delivering apayload of 20 metric tons (mt) or more is a great challenge for landing humans on Mars.
Johnson, Breanna J. +2 more
core +1 more source
Entry, Descent, and Landing Operations Analysis for the Mars Phoenix Lander [PDF]
, 2008 The Mars Phoenix lander was launched August 4, 2007 and remained in cruise for ten months before landing in the northern plains of Mars in May 2008.
Desai, Prasun N. +3 more
core +1 more source
American Journal of Botany, EarlyView.Abstract Premise Humans have used fire to manage landscapes for millennia, but this use of fire is declining in many ecosystems. Understanding how plants respond to these changes is key to predicting ecosystem resilience and impacts on services such as biodiversity and carbon sequestration. However, many ecosystems lack data on plant fire responses.
Kimberley J. Simpson +2 more
wiley +1 more source
Mars Smart Lander Simulations for Entry, Descent, and Landing [PDF]
, 2002 Scott A. Striepe +3 more
openalex +1 more source
MER EDL: Overview and Reconstruction Status [PDF]
An overview and reconstruction of the Mars Exploration Rover (MER) Entry Descent and Landing (EDL) is shown. The topics include: 1) Background; 2) MER Candidate Landing Sites; 3) MER Entry Heritage w/Viking & Mars Pathfinder; 4) MER EDL Animation; 5) MER
Desai, Prasun N., Lee, Wayne J.
core +1 more source