Results 21 to 30 of about 31,908 (302)

Biomanufacturing in low Earth orbit: A paradigm shift. [PDF]

Stem Cell Reports
This perspective article explores the transformative potential of biomanufacturing in low Earth orbit (LEO) for regenerative medicine. Building on key symposia and workshops, it highlights the International Space Station (ISS) National Laboratory's role in advancing tissue engineering through microgravity research.
Marotta D, Ward N, Bauer SR, Hunsberger J, Stoudemire J, Savin K, Giulianotti M, Jamieson CHM, Roberts D, Roberts M.   +9 more
europepmc   +3 more sources

Biomanufacturing in low Earth orbit for regenerative medicine. [PDF]

Stem Cell Reports, 2022
Research in low Earth orbit (LEO) has become more accessible. The 2020 Biomanufacturing in Space Symposium reviewed space-based regenerative medicine research and discussed leveraging LEO to advance biomanufacturing for regenerative medicine applications. The symposium identified areas where financial investments could stimulate advancements overcoming
Sharma A, Clemens RA, Garcia O, Taylor DL, Wagner NL, Shepard KA, Gupta A, Malany S, Grodzinsky AJ, Kearns-Jonker M, Mair DB, Kim DH, Roberts MS, Loring JF, Hu J, Warren LE, Eenmaa S, Bozada J, Paljug E, Roth M, Taylor DP, Rodrigue G, Cantini P, Smith AW, Giulianotti MA, Wagner WR.   +25 more
europepmc   +4 more sources

A frequency portrait of Low Earth Orbits [PDF]

Celestial Mechanics and Dynamical Astronomy, 2019
30 pages, 31 ...
Schettino Giulia, Alessi Elisa Maria, Rossi Alessandro, Valsecchi Giovanni B   +3 more
openaire   +4 more sources

Fuel Optimization for Low Earth Orbit Maintenance [PDF]

Journal of Astronomy and Space Sciences, 2008
The resolution of Earth images taken from a satellite has close relation with satellite's altitude. If a satellite has lower altitude, it gets a picture having better resolution.
Yong Jae Park, Sang-Young Park, Young-Rok Kim, Kyu-Hong Choi   +3 more
doaj   +1 more source

The benefits of very low earth orbit for earth observation missions [PDF]

Progress in Aerospace Sciences, 2020
23 pages, 19 figures. Accepted for publication in Progress in Aerospace Sciences (24-04-2020)
Crisp, N.H., Roberts, P.C.E., Livadiotti, S., Oiko, V.T.A., Edmondson, S., Haigh, S.J., Huyton, C., Sinpetru, L.A., Smith, K.L., Worrall, S.D., Becedas, J., Domínguez, R.M., González, D., Hanessian, V., Mølgaard, A., Nielsen, J., Bisgaard, M., Chan, Y.-A., Fasoulas, S., Herdrich, G.H., Romano, F., Traub, C., García-Almiñana, D., Rodríguez-Donaire, S., Sureda, M., Kataria, D., Outlaw, R., Belkouchi, B., Conte, A., Perez, J.S., Villain, R., Heißerer, B., Schwalber, A.   +32 more
openaire   +8 more sources

Design of optimal Earth pole-sitter transfers using low thrust propulsion [PDF]

, 2011
Recent studies have shown the feasibility of an Earth pole-sitter mission using low-thrust propulsion. This mission concept involves a spacecraft following the Earth's polar axis to have a continuous, hemispherical view of one of the Earth's poles.
Biggs, James, Biggs, J.D., BIGGS, JAMES DOUGLAS, Heiligers, Jeannette, McInnes, Colin, Ceriotti, Matteo, Heiligers, J., Ceriotti, M., Mcinnes, Colin R., McInnes, C.R.   +9 more
core   +1 more source

Analysis on the coverage performance and networking scheme of an MEO constellation

Dianxin kexue, 2022
Geostationary earth orbit (GEO) satellite orbit position resources have been scarce for a long time.The development of giant low-orbit satellite constellations has made the low-orbit resources unprecedentedly scarce.As a compromise between GEO and low ...
Yanbin ZHAO, Renning WANG, Peipei HU
doaj   +2 more sources

GPS-SBAS-Based Orbit Determination for Low Earth Orbiting Satellites

International Journal of Aerospace Engineering, 2023
A space-based augmentation system (SBAS) provides real-time GNSS correction signals via geostationary satellites for near-ground GNSS users. To use the SBAS correction for low Earth orbit (LEO) satellites, the correction, especially the ionosphere ...
Mingyu Kim, Jeongrae Kim
doaj   +1 more source

LEO Satellite Constellation for Global-Scale Remote Sensing With On-Orbit Cloud AI Computing

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
This article proposes a new satellite-based framework for global-scale remote sensing that is integrated with on-orbit cloud computing and artificial intelligence (AI) services.
Yuejin Li, Mi Wang, Kai Hwang, Zhengdao Li, Tongkai Ji   +4 more
doaj   +1 more source

Forward modeling of spaceborne radar observations [PDF]

Atmospheric Measurement Techniques
Accurate forward models, particularly radiative transfer models, are essential for the assimilation of both passive and active satellite observations in modern data assimilation frameworks.
I. Moradi, I. Moradi, S. Kalluri, Y. Zhu
doaj   +1 more source