Results 31 to 40 of about 188,169 (284)

Catalogue of emission lines in the spectrum of the comet C/2004 Q2 (Machholz) on 15 January, 2004

open access: yesВісник Астрономічної школи, 2013
Idetified the emission lines in the spectrum of comet C/2004 Q2 (MACHHOLZ), obtained in the region λλ4760÷6580ÅÅ on 15 January, 2005 with the 2-meter telescope of Shamakha AO of NAS of Azerbaijan.
Kh. M. Mikailov   +3 more
doaj   +1 more source

A Study of the 1668 Deungrok, Records of Celestial Phenomena from the Joseon Dynasty [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2012
This paper will introduce and overview in general the Seongbyeon Deungrok issued by the Gwansang-gam, the Astronomical Board in the Joseon Dynasty of Korea. All the Chinese characters in the 1668 Seongbyeon Deungrok was deciphered at first and these were
Il-Seong Nha, Yoon Hong, Nami Ahn
doaj   +1 more source

The Formation of a Rubble Pile Asteroid: Insights from the Asteroid Ryugu

open access: yesUniverse, 2023
The Hayabusa2 mission returned primitive samples from the C-type asteroid Ryugu to Earth. The C-type asteroids hold clues to the origin of Earth’s water and the building blocks of life.
Tsutomu Ota   +8 more
doaj   +1 more source

The way of K.I. Churyumov to science

open access: yesВісник Астрономічної школи, 2016
A brief biography and details about the scientific work of the famous scientist, doctor of physical and mathematical sciences, corresponding member of the National Academy of Sciences of Ukraine, professor Klim Ivanovich Churyumov are presented.
V. M. Efimenko
doaj   +1 more source

Evaluation of Genotoxic and Cytotoxic Effects of Gluten in Male Albino Mice

open access: yesBioscience Journal, 2023
Gluten is a protein commonly found in daily diets in the form of wheat, barley, rye, and other grains. It serves as the structural component in flour, providing the binding qualities that maintain the shape and texture of food items.
Nagla Z. El-Alfy   +3 more
doaj   +1 more source

Where do long-period comets come from? 26 comets from the non-gravitational Oort spike [PDF]

open access: yesMNRAS, Vol. 404, Issue 4, pages 1886-1902, June 2010, 2010
The apparent source region (or regions) of long-period comets as well as the definition of the dynamically new comet are still open questions.The aim of this investigation is to look for the apparent source of selected long period comets and to refine the definition of dynamically new comets.
arxiv   +1 more source

Charge structure in volcanic plumes: a comparison of plume properties predicted by an integral plume model to observations of volcanic lightning during the 2010 eruption of Eyjafjallajökull, Iceland [PDF]

open access: yes, 2014
Cancer is a heterogeneous disease with different combinations of genetic alterations driving its development in different individuals. We introduce CoMEt, an algorithm to identify combinations of alterations that exhibit a pattern of mutual exclusivity ...
AJ Bass   +7 more
core   +7 more sources

Organic Matter in Cometary Environments

open access: yesLife, 2021
Comets contain primitive material leftover from the formation of the Solar System, making studies of their composition important for understanding the formation of volatile material in the early Solar System.
Adam J. McKay, Nathan X. Roth
doaj   +1 more source

The ethanolic extract of Gomphrena celosioides is not carcinogenic and has antigenotoxic effects and chemopreventive Properties [PDF]

open access: yesBrazilian Journal of Biology
Gomphrena celosioides, popularly known as perpétua, perpétua brava, bachelor´s button and prostate globe amarahth, is used for the treatment of urinary tract disorders, kidney stones, for skin diseases, infectious diseases, gastrointestinal and ...
M. M. M. D. Levenhagen   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy