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Nuestra Luna Enlace permanente « Javier Escajedo Ciencias-Naturales » Importancia de la Luna para la vida en la Tierra Moon Phase Earth View Instructions The application is divided into three parts. On the left side we have the controls. In the central part we can observe the earth, moon and sun from space, and on the right side we have the perspective from Earth.Select the place from where you want to observe the moon: northern hemisphere, southern hemisphere or the equator.Move the circle that marks the day of the lunar month to observe the different moon phases.Move the circle that marks the hour to watch the sky at different times. Sunlight is responsible for both day and night on Earth and for the different phases of the Moon as seen from Earth. The time of the Moon’s rotation is the same as that of its orbit around the Earth (approximately 29 days), so we always see the same side of the moon.

Phases of the Moon and Percent of the Moon Illuminated Copyright Antonio Cidadao. Used by permission. Click on picture to see large version. Retrograde Motion One phenomenon that aincient astronomers had difficulty explaining was the retrograde motion of the planets. Over the course of a single night, a planet will move from East to West across the sky, like any other celestial object near the ecliptic. (Most objects in our sky appear to rise somewhere on the Eastern horizon and set somewhere on the Western horizon.

Las fases de la luna Instrucciones La aplicación está dividida en tres partes. En la parte izquierda tenemos los controles de la aplicación. En la parte central podemos observar la tierra, la luna y el sol desde el espacio, y en la parte derecha tenemos la perspectiva desde la tierra.Selecciona el lugar desde el que quieres observar la luna: hemisferio norte, hemisferio sur o ecuador.Desplaza el círculo que marca los días del mes lunar para observar las diferentes fases lunares.Desplaza el círculo que marca las horas del día para observar el cielo en las diferentes horas. La luz del sol, responsable del día y la noche en la tierra, es también la que provoca que se vean las diferentes fases de la luna desde la tierra.

2012 March 12 - The Scale of the Universe Interactive Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 March 12 Planets - Zoom Astronomy Advertisement. EnchantedLearning.com is a user-supported site. As a bonus, site members have access to a banner-ad-free version of the site, with print-friendly pages.Click here to learn more. (Already a member?

Magnifying the Universe Embed this infographic on your site! <iframe width="500" height="323" scrolling="no" src=" frameborder="0" allowfullscreen></iframe><br />Copyright 2012. <a href=" the Universe</a> by <a href=" Sleuth</a>. The above is an interactive infographic. We have also developed a complimentary poster that you can view here: Sizes of the Universe poster. If you're technically inclined, here's a look at the references we used to construct these infographics: Facts About The Universe.

The Last Shuttle NASA - Home

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