I am Mir Lihan Ahmad. I am Aspiring Astronaut & Relativity Researcher from Bangladesh. I am also a Citizen Scientist and Citizen Astronomer. I am working NASA Citizen Science Project, Space Generation Advisory Council, Galaxy Cruise, Tunisian Association of Young Astronomers, AdvanchingX, International Astronomy and Astrophysics Competition. Member at Space Generation Advisory Council & Astronomers Without Borders. I am also working many kinds of National and International organization.