interplanetary matter การใช้

• To purveyors of interplanetary matter, the sky's the limit.
• The research is mainly aimed at the interplanetary matter.
• Kalman
  ok has also been involved in elaborating its observational programs to study the Sun and interplanetary matter.
• His papers focus on interplanetary matter ( meteors, comets ), limb darkening in stellar atmospheres, close binaries, novae, chemically peculiar stars and remote sensing.