Classroom Activity: Making a Rainbow . ... When white light from the Sun or a light bulb passes through a prism, the light splits into its component wavelengths. ... Red, blue, green colored filters - if possible, cut 1x4-inch pieces of the filters for each student . ... Many students have the misconception that filters somehow dye the light a certain color. ... Younger students can draw the rainbow and make up a mnemonic for remembering the order of the colors (such as, ROY G. BIV). ...

. Search this album . Gallery . :: The First 100 Years . :: Miscellaneous images and wildlife . :: Rainbow . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . View full size . Title: Rainbow . File name: DSCN1110.jpg . Dimensions: 504 x 378 px . Page: 1 2 28 29 30 31 32 33 34 35 36 37 38 41 42 . Powered by Gallery 3.0.9 (Chartres) . Login

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Space Flight . ... Some 13.7 billion years ago, a mere millionth of a second after the Big Bang, the first hydrogen and helium nuclei condensed out of a hot, dense soup of quarks and gluons. ... In the very last few kilometres some of the light was scattered by a myriad of water droplets (containing hydrogen nuclei which had existed almost since the Big Bang) slowly descending through the air following a rainshower. ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . ... Web Site . http://www.google.com/search?hl=en =Rainbow+Optics =Google+Search . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

... Meta Index / Home Page / Description . ... This can be set by the user via the parameter device . The default value of device is /XS (Xserver), but alternative outputs (depending on what drivers have been installed with PGPLOT) can be used, for example /XW for x-windows, /GIF, /JPEG, /PS for Postscript, and /CPS for Colour Postscript. ... Either a colour-coded image or a contour map image can be produced, depending on the value of imagestyle . ... Note that 0 is not a valid colour map index. ...

... Superstars Podcast . ... Star Atlas . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . stars . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... In the dragonfish's mouth: The next generation of superstars to stir up our galaxy . Scientists are studying these supermassive stars and the shell surrounding them in order to learn how energy is transmitted in such extreme environments. ... Atlas of the Stars . ...

You Light Up My Life . ... We will learn about how light travels by using mirrors, prisms, and shadow makers. ... You can usually still see things in the shadow because there is other light scattered or bounced about the room or yard hitting that area indirectly. ... Outside, the Sun lights up the world. ... Most will say that the Sun is shining and hitting the object on one side of it, and the shadow forms because the light can't get through to the other side of the object, so there's no light there. ...

... 2009 Eclipse - Bruce Berger . ... Bruce Berger . ... Astro-Images . ... Astro-Images from Wingaersheek Observatory, 32 inch relay telescope, Mario Motta, vol 1 . ... Mario Motta M.D. Astro-images from Wingaersheek Observatory, 32 inch relay telescope, Mario Motta, Vol 4 . ... Mario Motta M.D. Astro-Images from Wingaersheek Observatory, 32 inch relay telescope, Mario Motta, vol 5 . ... Mario Motta M.D. Astro-Images 2 . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Instrument Science Report WFC3 2008-19 WFC3 TV2 Testing: IR Intrapixel sensitivity P. McCullough August 26, 2008 ABS TRACT We derive an approximate intrapixel sensitivity variation (IPSV) of the IR-1 detector of WFC3 from ground-test imagery. ... A lab test designed to study IPSV might illuminate the detector from a fiber optic cable, the tip of which can be much smaller than a pixel, and by raster scanning, one can map the IPSV with very fine sub-pixel precision. ...

... The FORS Team at Paranal has concluded the first phase of the extensive FORS1 commissioning tests at the first 8.2-m VLT Unit Telescope (UT1), successfully and according to the plan. ... ESO Press Release 14/98 . And now, for the first time, spectra [1] have also been observed with the VLT. ... ESO PR Photo 38a/98 . ... ESO PR Photo 38b/98 . ... The spectra shown in Photo 38d/98 were taken with FORS1 grism 600B on October 2, 1998. ... This is the caption to ESO PR Photos 38a-e/98 . ...

... У астероида Сильвия обнаружен спутник . 18 февраля 2001 года сотрудники Калифорнийского технологического университета Майкл Браун и Жан-Люк Марго с помощью расположенного на вершине горы Мауна-Кеа (Гавайские о-ва) 10-метрового Телескопа имени Кека II проводили очередную ?охоту? за астероидами. ... Диаметр спутника, полученный на основе первых наблюдений, составляет всего 7 км.Открытие спутника у астероида весьма воодушевило исследователей. ... говорит М. Браун, ? ...