1. On the source and structure of interplanetary dust particles
- Creator:
- Fechtig, H.
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- space research, interplanetary dust particles, and cometary grains
- Language:
- Czech
- Description:
- Cometary dust grains as measured by the Halley space missions show a silicate- and a light element component. The latter most likely represents an organic material. The densities of the grains are mostly below 1 g/cm^2. The organic component slowly decays at higher temperatures during subsequent perihelion passages. Therefore the "older” cometary grains are different from the "young" cometary grains: they show higher albedos, higher densities and orbit finally within the inner solar system.
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public