Zobrazeno 1 - 10
of 568
pro vyhledávání: '"French, Richard A."'
Autor:
French, Richard G., Hedman, Matthew M., Nicholson, Philip D., Longaretti, Pierre-Yves, McGhee-French, Colleen A.
From 31 Earth-based and three Voyager 2 occultations spanning 1977--2006, we determine the orbital elements of the nine main Uranian rings with typical RMS residuals of 0.2 -- 0.4 km and 1-$\sigma$ errors in $a, ae,$ and $a\sin i$ of order 0.1 km, re
Externí odkaz:
http://arxiv.org/abs/2401.04634
Autor:
French, Richard G., Souami, Damya
In support of studies of decadal-timescale evolution of outer solar system atmospheres and ring systems, we present detailed Earth-based stellar occultation predictions for Jupiter, Saturn, Uranus, Neptune, Titan, and Triton for 2023-2050, based on t
Externí odkaz:
http://arxiv.org/abs/2307.13530
Autor:
French, Richard, Mandy, Christophe, Hunter, Richard, Mosleh, Ehson, Sinclair, Doug, Beck, Peter, Seager, Sara, Petkowski, Janusz J., Carr, Christopher E., Grinspoon, David H., Baumgardner, Darrel
Publikováno v:
Aerospace 2022, 9, 445
Regular, low-cost Decadal-class science missions to planetary destinations will be enabled by high-{\Delta}V small spacecraft, such as the high-energy Photon, and small launch vehicles, such as Electron, to support expanding opportunities for scienti
Externí odkaz:
http://arxiv.org/abs/2208.07724
Autor:
Seager, Sara, Petkowski, Janusz J., Carr, Christopher E., Grinspoon, David H., Ehlmann, Bethany L., Saikia, Sarag J., Agrawal, Rachana, Buchanan, Weston P., Weber, Monika U., French, Richard, Klupar, Pete, Worden, Simon P., Baumgardner, Darrel
Publikováno v:
Aerospace 9.7 (2022): 385
Finding evidence of extraterrestrial life would be one of the most profound scientific discoveries ever made, advancing humanity into a new epoch of cosmic awareness. The Venus Life Finder (VLF) missions feature a series of three direct atmospheric p
Externí odkaz:
http://arxiv.org/abs/2208.05570
Autor:
Seager, Sara, Petkowski, Janusz J., Carr, Christopher E., Grinspoon, David, Ehlmann, Bethany, Saikia, Sarag J., Agrawal, Rachana, Buchanan, Weston, Weber, Monika U., French, Richard, Klupar, Pete, Worden, Simon P.
The Venus Life Finder Missions are a series of focused astrobiology mission concepts to search for habitability, signs of life, and life itself in the Venus atmosphere. While people have speculated on life in the Venus clouds for decades, we are now
Externí odkaz:
http://arxiv.org/abs/2112.05153
Autor:
French, Richard G., Nicholson, Philip D., McGhee-French, Colleen A., Longaretti, Pierre-Yves, Hedman, Matthew M., Colwell, Joshua, Marouf, Essam A., Rappaport, Nicole, Flury, Sophia, Fong, Jolene, Maguire, Ryan, Steranka, Glen
Publikováno v:
In Icarus 15 November 2023 405
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
French, Richard G., McGhee-French, Colleen A., Gordon, Mitchell, Baron, Richard L., Bosh, Amanda S., Buie, Marc W., Chanover, Nancy, Clark, Mary Ann, Dunham, Edward W., French, Linda M., Glass, Ian S., Goguen, Jay D., Gregory, Brooke, Hock, Rachel A., Kangas, Julie A., Levine, Stephen E., Matthews, Keith Y., McMason, Emily C., Meech, Karen J., Mink, Jessica, Nicholson, Philip D., Person, Michael J., Roques, Françoise, Sicardy, Bruno, Stecklum, Bringfried, Tholen, David, Young, Eliot F., Young, Leslie A.
Publikováno v:
In Icarus 1 May 2023 395
Autor:
Nicholson, Philip D., French, Richard G., McGhee-French, Colleen A., Longaretti, Pierre-Yves, Hedman, Matthew M., El Moutamid, Maryame, Colwell, Joshua, Marouf, Essam A., Rappaport, Nicole, Flury, Sophia, Fong, Jolene, Maguire, Ryan, Steranka, Glen
Publikováno v:
In Icarus 15 January 2023 390
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.