1. The gegenschein is sunlight back-scattered off small interplanetary dust particles.

2. Some people have reported seeing more semivolatile elements in a class of interplanetary dust particles (IDPs) called "chondritic porous" IDPs.

3. As war sweeps across the galaxy, life-and-death struggles like this occur on every scrap of interplanetary dust that can support life.

4. It also gives a general picture of their origin in the interplanetary dust of gas, their stable evolution in the stage of main-sequence and their end with White Dwarf, Neution Star and Black Hole.

5. Once considered a false dawn, this triangle of light is actually Zodiacal Light, light reflected from interplanetary dust particles.

6. This could compromise our ability to distinguish between interstellar dust and interplanetary dust.