**Q: **Is horizon obscured by trees? ¶

**A: **Yes, and buildings, mountains, etc.

**Q: **Is horizon 4.65 km away? ¶

**A: **Yes.

**Q: **Is horizon often masked by high cloud layers that reduce the altitude above the visual surface? ¶

**A: **Yes.

**Q: **Is horizon called the offing? ¶

**A: **Yes.

**Q: **Is horizon a key feature of the picture plane in the science of graphical perspective? ¶

**A: **Yes.

**Q: **Is horizon about 0.056? ¶

**A: **Yes, and the same curvature of the rim of circle with a radius of 10 m that is viewed from 56 cm directly above the center of the circle.

**Q: **Is horizon considered the theoretical line to which points on any horizontal plane converge as their distance from the observer increases? ¶

**A: **Yes.

**Q: **Is horizon the horizontal plane through the eyes of the observer? ¶

**A: **Yes.

**Q: **Is horizon defined as the horizontal line through P? ¶

**A: **Yes, The point P is the vanishing point of lines perpendicular to the picture.

**Q: **Is horizon 5,430 kilometres? ¶

**A: **Yes, neglecting the second term in parentheses would give a distance of 5,048 kilometres , a 7% error.

**Q: **Is horizon at a distance of 12? ¶

**A: **Yes.