Conference Date: December 6-8, 2019Conference Venue: Sanya, ChinaWebsite:http://www.deconf.org/conference/APSS2019/ Registration: http://www.deconf.org/RegistrationSubmission/default.aspx?ConferenceID=1172 Publication and PresentationPublication: Open Access Journal,please contact us for detailed information.Index: CNKI and Google Scholar Contact UsEmail: This email address is being protected from spambots. You need JavaScript enabled to view it.: +86 15172479625QQ: 3025797047Wechat: 3025797047 Call For PapersCelestial mechanicsCosmic rays and gamma astronomyCosmologyEarth-moon systemEarth's surfaceExtragalactic astronomyExtrasolar planetsHeliospheric physicsInterstellar matterPlanets ionospheres & magnetospheresLife sciences as related to spaceMagnetospheric physicsMiscellaneousPlanets, comets, asteroids & dustScientific instrumentationSolar and stellar physicsSolar terrestrial physicsSolar terrestrial relationsInterstellar terrestrial relationsTheoretical astrophysicsHigh-energy astrophysicsParticle astrophysics