Results 101 to 110 of about 8,239 (171)

Mars Colonization: Beyond Getting There. [PDF]

open access: yesGlob Chall, 2019
Levchenko I   +4 more
europepmc   +1 more source

Solid propulsion advanced concepts [PDF]

open access: yes
The feasibility and application of a solid propulsion powered spacecraft concept to implement high energy missions independent of multiplanetary swingby opportunities are assessed and recommendations offered for future work.
Nakamura, Y., Shafer, J. I.
core   +1 more source

The Effect of War on STEMI Incidence: Insights from Intensive Cardiovascular Care Unit Admissions. [PDF]

open access: yesJ Clin Med
Loutati R   +14 more
europepmc   +1 more source

Cometary science after Rosetta. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2017
Jones GH   +3 more
europepmc   +1 more source

Aeronautics and space report of the President, 1982 activities [PDF]

open access: yes
Achievements of the space program are summerized in the area of communication, Earth resources, environment, space sciences, transportation, aeronautics, and space energy.

core   +1 more source

Prospects for Interstellar Propulsion [PDF]

open access: yes
In recognition of the increasing prospects for Earth-like exoplanet discoveries and its significance for spurring future interstellar voyages of discovery, the United States Congress recently directed NASA to undertake an interstellar mission technology ...
Litchford, Ronald J., Sheehy, Jeffrey A.
core   +1 more source

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