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za aprel' 2004 goda.
On the Moon
20.04.2004 | Lunnoe foto dnya
This panoramic image shows the Surveyor 3 landing site, later visited by the Apollo 12 astronauts. The bland appearance is largely the result of a high sun angle, but dust on the camera mirror also reduced image quality.
Elger's Journal - or Goodacre's?
19.04.2004 | Lunnoe foto dnya
Thomas Gwyn Elger [LPOD Mar. 28] was the first director of the Lunar Section of the British Astronomical Association. He published a monthly lunar column in The Observer and published occasional reports of the Section. He kept a journal called The Moon - Observations, Notes and Sketches, November 1897-8- to... in a bound blank page book.
Langrenus
18.04.2004 | Lunnoe foto dnya
Langrenus (132 km wide and a max depth of 4.9 km) is just another Copernicus-style impact crater, or so it looks. Wreathed in wall terraces, and possessing a central peak complex and partly flat floor, Langrenus is Copernicus-East. Originally thought to be Copernican [LPOD Feb. 23] in age (i.e. 1.1 b.y.
Cassini North
17.04.2004 | Lunnoe foto dnya
Cassini is an unusual looking crater. I think its because it is surrounded by Imbrium lavas so there is an abrupt boundary with its near rim deposits, and because it is filled with lava nearly to its rim. Cassini is a more extreme version of Archimedes.
Eastern Rays
16.04.2004 | Lunnoe foto dnya
I love views from unfamiliar perspectives because they force me to look freshly at the areas shown. This image taken by Apollo 16 astronauts doesn't disappoint. As the astronauts flew over the eastern limb they took this photo looking across Mare Fecunditatis to Mare Nectaris and the bright lunar highlands beyond.
A Burning Issue
15.04.2004 | Lunnoe foto dnya
Has the formation of any lunar craters been witnessed by humans? There are a few definite yes answers (for lunar flashes during meteor storms), a likely no answer (the putative 1953 flash), and a definite maybe.
The Town in the Lake of Death
14.04.2004 | Lunnoe foto dnya
The first telescopic observations of the Moon by Galileo were recorded in a series of drawings, thus beginning a nearly 400 year tradition. The advent of the space age brought high resolution lunar images from orbiting probes, but drawings continued, by two very different types of observers.
Apollo 13 on April 13
13.04.2004 | Lunnoe foto dnya
On April 13, 1970 a damaged Apollo 13 spacecraft rushed toward the Moon. An explosion enroute to the Moon aborted the Moon landing and put the entire mission in great peril. The crew could only return to Earth by using a close approach to the Moon to redirect their spacecraft back to Earth.
Procellarum Volcanic Group
12.04.2004 | Lunnoe foto dnya
Volcanic structures on the Moon tend to be small and inconspicuous. Oddly, the three largest and most unique lunar volcanic landforms all occur along a meridianal belt in the northern half of Procellarum. From north to south they are Rumker, the Aristarchus Plateau and the Marius Hills.
Valley of the Alpes
11.04.2004 | Lunnoe foto dnya
The Moon is full of oddities, unique features that test our imagination in trying to understand their origins. The Alpine Valley, discovered by the Italian priest and astronomer Francesco Bianchini in 1727, is such a landform.