Features and the specialties of Worlds in NASA World Wind
Let us consider the Apollo landings:
As the name suggests this Add-on is about the Apollo landings which are made during the Apollo Mission. This is basically a Add-on which is historical in nature. One more specialty of this Add-on is that when you display the places then you get the information which is related to that page. You can easily draw references and study the pages with the help of pictures.
Stars and Stars Three dimensional Add-on:
As the name suggests this Add-on is related to the give World Wind a starry look. It means that Stars three dimensional plug-in gives or displays the star field which is available has the capability to give the users the realistic star field. In doing this it renders the simple but effective star field data and uses the information which is present in the Hipparcos catalog.
Jpeg image is the imagery form which the texture of starfield has been taken.
Moon pictures:
This Add-on as the name suggests is related to the pictures of Moon surface. If you want to observe a particular area then you can click on that piece of Area. These pictures are collected, sorted and arranged from the many Apollo landings which have taken place, also the Several Satellites and even the lunar orbiters too.
The next Add-on is known to all it is related to the phases of the Moon:
This Add-on mainly displays and shows the four Icons since it shows mainly the four phases of Moon. If you want to see one of the Add-on then you can click the phase which you want to see and then a applet is started. Which has the ability to display to the users the recent phases of the Moon. This Applet does not stop in this but it also displays the running age of Moon as well as its current distance from Earth that is its current distance from us. Even the dates of Apogee and even pedigree are also displayed in this Add-on.
Specialty of this Add-on is that time which is indicated is in the form of Universal time. The clock which is present in this Add-on displays standard time. So at the same time the users can view both the Universal Time as well as the Standard time.
Now an interesting Add-on is coming your Way the Lunar Geology Add-on:
We all know that Moon is a satellite of Earth and the Geology is very similar to that of Earth. This fact makes the Add-on very interesting and useful. Geologists can study this Add-on and improve their Knowledge many a times. This Add-on is very useful.
Mars:
Form the name itself it is clear that this World is the World of MARS THE RED PLANET. Mars is called the red Planet since it actually looks red from Earth when seen through the agency of telescopes or even by naked eyes. So it is called the red planet. The reason for the Planet to look red is the presence of Iron-oxide in the soils which give the soil a prominent red look. The red dust which surrounds the planet gives it red haze. These are the reasons which make this Planet look red. This Feature is viewable in the version 1.3.4 and above of World Wind. The planet is shown in three dimensions which gives it a real look. Mars is the fourth planet form Sun and its name is after the Roman God of War. This name was given to Mars since it looked reddish in color due to the reasons which have been mentioned above.
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