Juno is only possible because of new improvements in solar panels. And even so, it's a relatively low powered space probe at 400 watts. A lot of power is requir

Juno is only possible because of new improvements in solar panels. And even so, it's a relatively low powered space probe at 400 watts. A lot of power is required for radio communication and heating. Going any further with solar power is not feasible with the technology available today.