Those are happy voices from visitors in Water Rocket session at Science Aeronautics Festivals last week in Indonesia Institute of Aeronautics and Space (LAPAN), Haurngombong Village, Tanjung, Sari, Sumedang. LAPAN hold thie festival to participate in World Space Week. In this festival LAPAN also colaborate with langitselatan and Universe Awareness for young children (UNAWE).
Four hundred years ago in 1608, based on a telescope invented in Netherland, Galileo made his own telescope. Later on, the telescope made by Galileo is also known as the terrestrial telescope. A year later, on August 1609 Galileo turned one of his telescopes to the night sky. In 1610 he used his telescope for an astronomical observation and made outstanding discoveries that changed all mankind conception. His observation on Venus proved that it revolves the sun and support heliocentric theory. Then controversy began, but as the time goes by many discoveries has been done and proved heliocentric theory.
Now, 400 years later, astronomy evolves, many discoveries have been made, the telescopes on the ground and in the space explore the Universe for 24 hours a day, across all wavelengths of light. World changes, science revolves, and humankind needs to know more about universe. It is the time for them to take part in excitement of exploring the universe. It is the time for you, no matter who you are and where you are, universe is yours to discover.