Celestia Forums

how exactly do you combine the specular map with the texture map? when i look at the earth texture as an example in photoshop, i see only the specular map of the ocean, and the continents are missing (see the checkered background) but the land shows up fine in celestia, so i'm thoroughly confused ho...

the moon is slowly moving away from the earth for a seemingly complex reason, but not too complex. as the moon exerts a tidal pull on the earth's surface, a bulge (imperceptably small) appears on the surface facing the moon. however, since the earth rotates much faster than the moon orbits the earth...