نتایج جستجو برای: saturn

تعداد نتایج: 1923  

Journal: :Nature Physics 2012

Journal: :Astronomische Nachrichten 1903

Journal: :Nature 1894

Journal: :Monthly Notices of the Royal Astronomical Society 1863

2011
M. M. Hedman

Aegaeon (Saturn LIII) is located within an arc of debris near the inner edge of Saturn’s G ring [1], and is the currently the smallest isolated moon of Saturn known [2]. On January 27, 2010 the Cassini spacecraft flew within 15,000 km of Aegaeon, obtaining images with sufficient spatial resolution (better than 100 meters/pixel) to resolve this tiny moon. These data reveal that the moon is stron...

2009
Michael D. Desch Michaei D. Desch

Using data collected by the Voyager 1 and 2 spacecraft in 19801 and 1981. strong evidence is presented for a direct correlation between variations in the solar wind at Saturn and the level of activity of Saturn's nonthermal radio emission. Correlation coefficients of 57-58% are reached at lag times of U-1 days between the arrival at Saturn of high pressure solar wind streams and the onset of in...

Journal: :Science 1980
E J Smith L Davis D E Jones P J Coleman D S Colburn P Dyal C P Sonett

The Pioneer Saturn vector helium magnetometer has detected a bow shock and magnetopause at Saturn and has provided an accurate characterization of the planetary field. The equatorial surface field is 0.20 gauss, a factor of 3 to 5 times smaller than anticipated on the basis of attempted scalings from Earth and Jupiter. The tilt angle between the magnetic dipole axis and Saturn's rotation axis i...

Journal: :Science 2005
S Charnoz C C Porco E Déau A Brahic J N Spitale G Bacques K Baillie

Since the time of the Voyager flybys of Saturn in 1980-1981, Saturn's eccentric F ring has been known to be accompanied on either side by faint strands of material. New Cassini observations show that these strands, initially interpreted as concentric ring segments, are in fact connected and form a single one-arm trailing spiral winding at least three times around Saturn. The spiral rotates arou...

Journal: :Astronomische Nachrichten 1913

M. Piri, V. Ördog,

The toxic effects of herbicides (Machete, Saturn) and pesticides (Diazinon and Malathion) on green algae, Scenedesmus obtusiusculus, and cyanobacteria, Anabaena flos aquae, were studied. The results indicated that Machete and Saturn, in comparison to Diazinon and Malathion, were more toxic. On the other hand it was revealed that green algae was more sensitive to the pesticides than the cyanoba...

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