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Is it possible to write an atmosphere module in which the parameters vary over time? I'm trying to create one for Pluto so that the surface pressure changes with its seasons. The module loads correctly, but there is still a problem. When I run a scenario, the atmosphere originally has the...

I just ran into something in OrbiterConfig.pdf that I never heard of before. In the planet configuration section (2.3) it says the following about the "HasElements" bool: Does anyone know how to define a position/velocity pair for a planet? It never describes how to do so in the manual.

Pi used to be my favorite number before I read this: http://www.tauday.com/tau-manifesto I agree that tau is much more elegant and useful than pi. What do you think?

A few months ago I started working on an update for my Kepler-62 System add-on. I felt like I had learned a few things about Orbiter and exoplanets since I created the original add-on, and I wanted to make it more realistic. However, I got carried away and pretty much redid everything.:) The...

Does anyone known why the generic landing pads defined in a base cfg file do not render on asteroids and other bodies with custom meshes? They are still technically there, but there are no visuals. Has anyone else encountered this problem?

I'm a sophomore in high school right now, and I'm really interested in majoring in astrophysics when I go to college. However, everything I've read about astrophysics says that the job outlook is really bad. I've read that only 1 in 4 actually get a job in astrophysics! Most have to switch to...

I'm creating an irregular moon, but I have problems with the mesh. I created it using Wings3D by making a sphere, texturing it, and then sculpting it into an irregular shape. It looks fine in Wings3D, but when I use it in Orbiter it looks like this: There is a difference in shading on the...

I am starting to work on an update for my Kepler-62 System addon.

I've been thinking about the height of tides on habitable exomoons. For a hypothetical moon around HD 28185 b located at about 15 planetary radii away, I calculated that the tidal forces acting across the hypothetical moon would be almost 7000 times as large as the tidal forces that our moon...

What kind of albedo values should be used in the config files of planets? In Earth's config file the AlbedoRGB values are: AlbedoRGB = 0.7 0.85 1.0 I know that the three values are supposed to represent the albedo of the planet in the red, green, and blue part of the spectrum, but I couldn't...

Why do stars need the line "module = sun" in their configuration files while planets do not need a module? I couldn't seem to find the answer to this anywhere. Thanks.

I just downloaded Orulex. It works great, but I noticed that the global L14 Earth textures from http://orbitersimulator.com/orbiter-2010-downloads/ do not show when Orulex is activated. Is there any way to get Orulex to render terrain on surface tiles in .tex format? Thanks.

How does Orbiter calculate the pressure of a planetary atmosphere at different altitudes without knowing its temperature? Temperature has a huge effect on atmospheres. For example, the scale height of an atmosphere will be twice as large if the temperature of the atmosphere is twice as high...

Is it possible to create a mesh that is transparent on the outside but gradually becomes more opaque on the inside? Is there any other way to achieve the same effect? I was thinking I could just make multiple "shells" with different transparencies but the transitions between them would not be...

I tried to use a gray-scale image as an alpha channel in Directx Texture Tool but it only makes parts of the texture fully transparent or fully opaque. I also couldn't find a way to save a bmp image with semi-transparency. Does anyone know how to do this?

Does anyone know where the meshes for the default base objects (block, tank, hanger, etc) are stored? They don't seem to be in the meshes folder.

I'm trying to create an Earth-like planet but it still says "0% oxygen, pressure outside limits - Danger!" when I analyze the atmosphere.

I do orbiter on a laptop without a numpad, so I have to hold down the function key and press "k" if I want to raise the pitch of a spacecraft. This causes problems because the "k" key by itself opens/closes the nose cone of a delta glider IV. If I accidentally do not hold down the function...

I just downloaded artlav's WarpDrive MFD Mk2. When I opened the MDF and pushed Shift+W nothing happened. None of the other controls seem to work for me either. Does this have something to do with the fact that I do orbiter on a laptop?

I'm trying to create a planetary system with two stars, one in orbit around the other. The setup looks like this: Star1 Planet1 Star2 The OrbiterConfig pdf says it's possible, but I can't figure out how to write the config file for the second star because it needs to have orbital elements...