Stellarium

In the location window about the planet tab I have some questions?

Asked by Debashis

In the location window in the planet tab I have seen Sun and many other things. Now If I select Sun, then What should I choose as country and Name of city?

Say I have selected Greenwich or have put the longitude and latitude of Greenwich. But why is it required when I choose Sun as vantage point? I think the reason behind it to set the local time ,i.e,
if I select date and time as 20th march,2013 and 11.02 UTC then What stellerium shows is the solar system view at vernal equinox. Please correct me If I am wrong.

Now After that I have seen In Stellirium there is a big Spherical grey body which takes most of the image width. What is that ? Is that Sun I Select Sun at the Planet tab?

After that I have searched for Saturn And It is showing all the data related to Saturn but it is somehow hidden by that grey body but most of the other planets are visible? Why is that?

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gzotti (georg-zotti) said : 		#1

Most users are interested in views of the sky from Earth, and most users know city names better than coordinates. If you are not on Earth, there is a map of the respective body, where you can click to select a place. If you select a city and then go for a place on mars, observe the red arrow to see what happens.

The Sun is a bit special. The very special case that you are standing in the "surface" of the big light that illuminates everything is currently not properly implemented. The light (and too much heat to wonder about this mismatch :-) should come from "below", but the display appears unilluminated dark gray. Think of it a protective shield against immediate vaporisation. :-)

When you are located on a body, even the sun, Saturn may be below its horizon. Just change time some more to rotate the sun.
HTH, G.

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