Results 11 to 20 of about 13,335 (266)

About the Foroughi Cup and about the seven planets in the Ancient World [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2018
The Foroughi Cup is an artefact of the 8th century BC of Aramaic cultural context, inside which images of stars and constellations are reproduced. In this study of ours we start from the conclusions reached by Amadasi Guzzo and Castellani in their two ...
Codebo, M., De Santis, H.
doaj   +1 more source

Dynamical Outcomes of Planet‐Planet Scattering [PDF]

open access: yesThe Astrophysical Journal, 2008
Observations in the past decade have revealed extrasolar planets with a wide range of orbital semimajor axes and eccentricities. Based on the present understanding of planet formation via core accretion and oligarchic growth, we expect that giant planets often form in closely packed configurations.
Chatterjee, Sourav   +3 more
openaire   +3 more sources

Celebrating 30 years of science from the James Clerk Maxwell Telescope [PDF]

open access: yesRoyal Society Open Science, 2017
The James Clerk Maxwell Telescope (JCMT) has been the world’s most successful single-dish telescope at submillimetre wavelengths since it began operations in 1987. From the pioneering days of single-element photometers and mixers, through to the state-of-
Ian Robson   +2 more
doaj   +1 more source

Lo stato dell’arte nella ricerca dei pianeti extrasolari di tipo terrestre [PDF]

open access: yesS&F_scienzaefilosofia.it, 2023
State of the art in the search for extrasolar planets In the last three decades, the study of exoplanets has evolved from a marginal field into a vital area of research with significant implications for other sciences and philosophy. In this article, we
Covone, Giovanni
doaj  

இலக்கியங்களில் கோள்களின் இயல்பு / Nature of Planets in Literature [PDF]

open access: yesInternational Journal of Tamil Language and Literary Studies, 2022
The study of space objects and matter outside the earth’s atmosphere is called astronomy. Ancestors of Tamil culture undoubtedly had spectacular knowledge about astronomy. It is evident in Tamil literature.
முனைவர் மு. துர்காதேவி / Dr M. Durga Devi
doaj   +1 more source

Sâilî-i Şîrâzî’nin Dîvân’ında Kozmik Unsurlar

open access: yesDil ve Edebiyat Araştırmaları Dergisi, 2021
Tabiatın önemli bir parçası olan kozmik âlem deyince ilk başta aklımıza gökyüzü, felek, güneş, yıldızlar, ay, gezegenler ve bunlarla ilgili kavramlar gelir.
Serpil Yıldırım, Zeynep Gülzar
doaj   +1 more source

THE FIRST PLANETS: THE CRITICAL METALLICITY FOR PLANET FORMATION [PDF]

open access: yesThe Astrophysical Journal, 2012
12 pages, 5 figures; accepted for publication in ...
Johnson, J., Li, H.
openaire   +3 more sources

Two Distinct Magma Storage Regions at Ambrym Volcano Detected by Satellite Geodesy

open access: yesGeophysical Research Letters, 2023
The flux of eruptible magma into a magmatic plumbing system influences eruption size and timing. If magma transfer is possible between two hydraulically‐connected magma lenses, system destabilization can tap a larger magma volume than stored in any one ...
T. Shreve   +4 more
doaj   +1 more source

Ready functions for calculating the Martian radiation environment

open access: yesJournal of Space Weather and Space Climate, 2019
It is extremely important to understand and model the Martian radiation environment in preparation for future human missions to Mars, especially during extreme and elevated conditions such as an intense solar energetic particle (SEP) event.
Guo Jingnan   +4 more
doaj   +1 more source

Possible Transfer of Life by Earth-Grazing Objects to Exoplanetary Systems

open access: yesLife, 2020
Recently, a 30-cm object was discovered to graze the Earth’s atmosphere and shift into a Jupiter-crossing orbit. We use the related survey parameters to calibrate the total number of such objects.
Amir Siraj, Abraham Loeb
doaj   +1 more source

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