(The following topics include but are not limited to)
Topic 1. Astrophysics
The structure of celestial bodies, the properties of celestial bodies, and the operational laws of celestial bodies
Celestial mechanics, astrophysics, astrobiology, astrometry
Cosmic ray and gamma astronomy
Cosmology, lunar system, Earth's surface
Astronomy outside the Milky Way
Exoplanets
Interstellar matter, planets, ionosphere and magnetosphere
Life sciences related to space
Planets, comets, asteroids and dust
Sun and stellar physics
Relations between Japan and Spain
The relationship between interstellar space and the Earth
Theoretical astrophysics, high-energy astrophysics, particle astrophysics
Topic 2. Astronomy
Gravitational Waves and High-energy astronomy
Galaxies and Cosmology
Stars and Interstellar Physics
Multi-band and multi-messenger astronomy
Astronomical telescopes and observation technologies
Solar System and Planetary Science
Black holes and compact objects
Optical astronomy, radio astronomy
Planetary Science Direction
Space astronomy
Theme 3. Space Science
Space exploration and colonization
Asteroid mining and resource utilization
Interstellar travel and propulsion technology
Small satellites and cubesats
Extraterrestrial geology and atmosphere
Space debris and orbit management
Cosmic magnetic field
Quantum astrophysics
Space weather and its effects
The Application of Artificial Intelligence in Space science