Image (illustration) donut-shaped UFO - live feed ISS some time ago.
A team of Russian scientists is developing a donut-shaped spaceship that can reach the farthest corners of the solar system in record time by taking power directly from the Sun.
Using the pressure of sunlight in this ingenious manner will allow the sailboat to speedily get to the mysterious Oort cloud at the edge of the solar system, where it’s believed that comets are born.
To reach the Oort cloud our sail can reach it in 20-30 years,” said Professor Olga Starinova, of Samara University’s Department of Space Engineering.
Read full article at:
https://www.rt.com/news/470201-russian-scientists-donut-spaceship/