... Mars . ... Orbiter observations point to "dry ice" snowfall on Mars . The carbon dioxide snowfalls occurred from clouds around the Red Planet's south pole in winter. ... Observations by NASA's Mars Reconnaissance Orbiter have detected carbon-dioxide snow clouds on Mars and evidence of carbon-dioxide snow falling to the surface. ... NASAт??s Mars Reconnaissance Orbiter (MRO) data have given scientists the clearest evidence yet of carbon dioxide snowfalls on Mars. ...

Twilight observations with MASS/DIMM B. Safonov Sternberg Astronomical Institute Moscow State University Comprehensive Characterization of Astronomical Sites, 2010 B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 1 / 17 Why observe in twilight with MASS/DIMM? ... ASM includes 3 devices sensitive to background: guider, DIMM and MASS. B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 2 / 17 Background in guider. ...

. MASTER II robotic telescope at Kislovodsk . MASTER LC depend on time from GRB trigger. Blue points are the image limits. ~21.

. Small black points show all QSOs known previously before the start of this survey. | Front page | . | << - Survey description objectives | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

... In a binary star system , each star of the pair follows an elliptical orbital path. ... In developing a new optical interferometer capable of extremely high resolution while peering through the Earth's blurry atmosphere, U.S. Naval Observatory and Naval Research Lab astronomers have been able to detect the companion star to Mizar A. This composite image of their observations shows the daily and monthly relative orbital motion in the binary system. ... Publications with keywords: binary star . ...

Astronomy Discussion Forums . ... What Really Exists Outside The Universe . ... Post Message | ... Picture a bowl of marbles. ... Each of the spheres in your marble bowl represents a single universe. Now in reality these marble spheres exist infinitly in numbers and are not limited to some sort of cosmic bowl. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Basics of one- fluid plasma description. Classic approach: forces acting upon conducting fluid. ... Magnetic Reynolds number. Magnetic field diffusion. Two- fluid plasma model. Dispersion of waves in plasma. Magnetic sound in two- fluid MHD. Oblique waves. ... Wave equation for Alfven waves in inhomogeneous plasma. ... Cusp Alfven waves. ... Surface waves in a plane geometry. Magnetosonic surface waves on field tubes. ... Plasma in strong magnetic field. ... Solar wind. ...