New Delhi. Prime Minister Narendra Modi on Sunday greeted the nation on National Space Day and praised India's achievements in space travel. He said the country's space capabilities are steadily strengthening and these achievements are opening doors to new possibilities for the youth.Sharing a message on the social media platform "X," the Prime Minister urged citizens to set big goals, foster innovation, and explore new frontiers. He said India must prepare for future challenges by building on its achievements in the space sector.Modi, especially, expressed confidence in the talent and creative thinking of the youth, encouraging them to conduct new experiments in the field of science and technology. He said that India's space journey is not limited to scientific achievements, but is also a symbol of the country's self-confidence and self-reliance. National Space Day is celebrated every year on August 23. This day is also an occasion to honor India's space achievements and the contributions of scientists, commemorating the historic success of Chandrayaan-3.