Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Heliometer"'
Publikováno v:
Solar Physics. Oct2003, Vol. 217 Issue 1, p39-52. 14p.
Publikováno v:
Proceedings of Meetings on Acoustics; 12/2/2019, Vol. 39 Issue 1, p1-7, 7p
Publikováno v:
Renewable Energy: An International Journal. Mar2004, Vol. 29 Issue 3, p393. 10p.
Autor:
Domínguez, César, Herrero, Rebeca, Núñez, Rubén, Antón, Ignacio, Sala, Gabriel, Agudo, Emilio
Publikováno v:
AIP Conference Proceedings; 2016, Vol. 1766 Issue 1, p1-6, 6p, 5 Graphs
Autor:
Irbah, Abdanour, Meftah, Mustapha, Hauchecorne, Alain, Djafer, Djelloul, Corbard, Thierry, Bocquier, Maxime, Cisse, E. Momar
Publikováno v:
Astrophysical Journal; 4/20/2014, Vol. 785 Issue 2, p89-96, 8p
Publikováno v:
Solar Physics; Aug2012, Vol. 279 Issue 2, p269-283, 15p
Publikováno v:
Solar System Research; Apr2011, Vol. 45 Issue 2, p174-181, 8p, 4 Black and White Photographs, 3 Diagrams, 2 Graphs
Autor:
Jan Guichelaar
Publikováno v:
Willem de Sitter ISBN: 9783319983363
De Sitter was obsessed by gravitation during his whole working life. Till Einstein there was only Newton’s law of gravitation, giving the gravitational force Fg of two masses m1 and m2 on each other: Fg = Gm1m2/r2, in which r is the mutual distance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4b6cff3a4a40e3e25f403c5b4a3ac23
https://doi.org/10.1007/978-3-319-98337-0_8
https://doi.org/10.1007/978-3-319-98337-0_8
Autor:
Gabriella Bernardi
Publikováno v:
Giovanni Domenico Cassini ISBN: 9783319634678
Originally, the construction of the meridian line in the Basilica of San Petronio was undertaken between 1575 and 1576 by “Ignazio Danti, Dominican,” who “had set out to draw a line in the Church of St. Petronius for observations of the Sun…
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfdf29ab5c2aa12842afd3748f81ef4a
https://doi.org/10.1007/978-3-319-63468-5_7
https://doi.org/10.1007/978-3-319-63468-5_7
Autor:
Alissandro Coletti, Sergio Calderari Boscardin, J. L. Penna, V. A. d'Ávila, Alexandre Humberto Andrei, Victor Matias, Luiz Carlos Oliveira, Eugênio Reis
Publikováno v:
Proceedings of the International Astronomical Union. 5:487-492
The Observatório Nacional at Rio de Janeiro has developed a new heliometer to perform accurate measurements of the solar diameter. The equipment makes use of split parabolic mirrors, rather than split achromatic lenses as objective. In its first cam