Astronomy Picture of the Day . Sun vs Super Moon . ... To make it, the Full Moon on May 6 was photographed with the same camera and telescope used to image the Sun (with a dense solar filter!) on the following day. ... And for some the New Moon will be surprisingly easy to compare to the Sun, because on May 20 the first solar eclipse of 2012 will be visible from much of Asia, the Pacific, and North America. ... Publications with keywords: full moon - perigee - apogee - solar eclipse . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 May 11 . Sun vs. Super Moon . ... Explanation: The Super Moon wins , by just a little, when its apparent size is compared to the Sun in this ingenious composite picture. To make it, the Full Moon on May 6 was photographed with the same camera and telescope used to image the Sun (with a dense solar filter!) on the following day. ...

... Munching on Lunar Cheese . ... Rarely have most of us really watched a lunar eclipse. Let's observe the lunar eclipse this month and see what the shadow-play can teach us about Earth and its little mate. ... My grandparents came out, we sat on bales of hay in a field, ate our hot dogs and roasted marshmallows, and watched a huge full Moon fall into Earth's ruddy red shadow. ... The ancient Greeks knew this, too, and they saw Earth's circular shadow on the Moon during lunar eclipses. ...

... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...

... How big are the Lagrangian points? I hear of telescopes orbiting at a certain Lagrangian point, but for these crafts to not interfere with one another, aren't these points more like "Lagrangian areas"? ... RELATED TOPICS: LAGRANGIAN POINTS . ... When you hear about a spacecraft orbiting at a certain Lagrangian point, it really means the probe is traveling within or near one of these extended, three-dimensional islands of orbits. ... Get instant access to subscriber content on Astronomy.com! ...

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "That's as remote as the dark side of the Moon!" ... As the tired, hackneyed refrains went on, one in particular caught my ear: " Fly me away to the bright side of the moon, and meet me on the other side." ... As the Moon orbits the Earth, different parts of it get illuminated by the Sun. ... Bad Addendum : At the end of the album "Dark Side of the Moon" by Pink Floyd, there is a voiceover that actually says "There is no dark side of the moon. ...

... The Round Earth . ... Aristarchus around 270 BC derived the Moon's distance from the duration of a lunar eclipse (Hipparchus later found an independent method). ... Let R be the radius of that circle and T the time it takes the Moon to go around once, about one month. ... Viewed from Earth, a "new Moon" (occuring between the time a thin crescent is last seen before sunrise and the time one is seen shortly after sunset) happens when the Moon in its apparent motion around the sky overtakes the Sun. ...

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Astronomy Discussion Forums . ... Total Lunar Eclipse May 15-16 . ... Post Message | ... A total Lunar Eclipse. On the night of May 15-16 the Earth will come between the Sun and the Moon casting a shadow that will slowly cover the Moon. ... The last total Eclipse was on a day where it snowed 10? all day. ... 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" . ...

Educator's Guide to Eclipses . ... In a solar eclipse you observe the Sun (using only safe methods, of course). ... In a lunar eclipse you observe the Moon. ... Because of the geometry described below, you can only view a solar eclipse when the Sun is up, and the Moon is nowhere to be seen. ... Eclipses occur when the Sun, Earth and Moon line up. ... In a solar eclipse the Moon passes directly in front of the Sun. ... In a lunar eclipse the Moon moves into Earth's shadow. ...

The apparent path of the Sun across the sky. ... The path of the Sun across the celestial sphere is very close to that of the planets and the moon. ... In one year, as the Earth completes a full circuit around the Sun (drawing above), the Earth-Sun line and its continuation past Earth sweep the entire plane. ... Since the Sun and Earth are in the plane of the ecliptic, the line is automatically in that plane too; if the moon is also on the same line, it must be in the plane of the ecliptic as well. ...

... In the last day of the International Year of Astronomy - i n the early evening of the 31st December - the Moon undergoes the smallest partial eclipse that we have seen in Ireland for 40 years - in that the Moon will only just dip into the umbral shadow of the Earth. At mid-eclipse (19:23) the lower right of the Moon may just be seen to have a faint ruddy colour as indicated in the diagram. ... Thursday, 3 December 2009 19:21 . International Year of Astronomy, Ireland National Node . ...

This is a new popup window - close it when you are done . Submitted by Al Takeda on 03/22/2011 12:46:12 . Super Moon . On March 19th a nearly perfect perigee-syzygy occured which made the apparent size of the Moon larger then normal. ... Perigee is the point at which the Moon is closest in its orbit to the Earth and syzygy is a full or new moon, when the Earth, the Moon and the Sun are aligned. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Moon . ... Milky Way . ... By admin September 3, 2015 Posted in: September . ... On 1st September Neptune will be at opposition to the Sun, so its face will be illuminated by our local star, and will be visible in the night sky. ... In Northern Ireland and throughout the Northern Hemisphere it is becoming increasingly popular to try and photograph the night sky, with the Milky Way taking centre stage in many budding photographers images. ... September 28th will see a Full Moon in the sky. ...

Phases of the Moon Phases of the Moon are not caused by the Earth's shadow. They are due to a change in our viewing perspective as the Moon orbits around us as it is lit by the Sun. ... The Earth spins in the light, so that the entire Earth gets to be lit at some point each day. Even though the Moon is always half-lit like the Earth is, sometimes we on the Earth see only a tiny bit lit, other times completely lit, depending on where the Moon is in its orbit around the Earth. ... Look at Day 7. ...

Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...

... Gallery . ... Mars . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: Deimos orbiting Mars . ... In the animation, Deimos is moving along its orbit around Mars. Each frame is around 10 minutes apart. NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... Deimos orbiting Mars An over-exposed Mars and one of its moons, Deimos (faint spot in lower-left quadrant). ...

... Full silvery Moon illuminates terrain. ... Begun a next moon eclipse, when Land barriers a Moon from the Sun and throws its shade on it. ... Drawing 1. ... Drawing 6 Drawing 6 shows a splendid photo of full moon eclipse 18-19 november 1975 during is packed phases doing Dennis de Chikko. ... Eclipse, which will occur 9 november 2003, is a repetition through сарос (cycle of repetitions of eclipses equal 6585 days or 18 years 11 days) full moon eclipse from 28 octobers 1985 with the maximum phase 1,07....

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