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Wednesday, October 26, 2005 - ore 12:38
non so perchè..ma la luna mi ha sempre affascinato molto..
(categoria: " Vita Quotidiana ")
DEFINITION : The only natural satellite orbiting planet EarthWHAT TO SEEDon’t let this grey globe fool you – there are plenty of exciting regions to visit on the Moon.
MariaThe landscape is divided into two main areas. The dark patches are called maria, meaning ‘seas’. It was named at a time when people thought that liquid water flowed over these regions.
Since then, it was discovered that the maria are areas of solidified lava. They were formed over four thousand million years ago, when the Moon was volcanically active. The largest of these regions is called ‘Oceanus Procellarum’.
TerraeThe other main regions are called ‘terrae’, or ‘land’. These lightly coloured highlands are the most ancient regions on the Moon. They are covered in countless craters - the scars from millions of years worth of impacts.
Crater TychoThis eye-catching crater in the south can be even seen from the Earth. Its giant walls are 4.5km (miles) high and 85km (53 miles) apart. Tycho is surrounded by bright rays that stretch half way across the globe. These are the splashes of molten rock that splattered across the Moon when the crater was formed by a massive asteroid impact.
Mare TranquillitatisMare Tranquillitatis is the site of the first ever lunar landing. See if you can spot the plaque left behind by the astronauts. It shouldn’t be too tricky - there is no wind on the Moon, so you should still be able to follow the footprints.
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