Final answer:
SpaceX's Starship and associated projects like Breakthrough: Starshot represent the cutting edge of space exploration, with potential for significant contributions from both private and public sectors, exemplified by successful collaborations such as the Perseverance rover launch.
Step-by-step explanation:
SpaceX's development of the Starship represents a significant advancement in our capabilities for space exploration. The vision of making humans multi-planetary and the progress towards more economical access to space is profoundly rooted in both science and the inherent human drive for exploration. Projects like Breakthrough: Starshot aim to send tiny probes to other stars at a fraction of light-speed, an ambitious concept that underlines advanced engineering efforts in the aerospace field. With the combination of private and public sectors in space exploration, exemplified by SpaceX's collaboration with NASA, the future holds an integrated approach towards galactic exploration. The possibility of exploring Mars, evident from the successful launch of the Perseverance rover, and leveraging technology for satellite deployment as seen in the Iridium-4 operations, are concrete examples of where private funding is making significant contributions.