PHD Sorin Dinea presented ARCA at the Dan Voiculescu Foundation. Dinea spoke about Mission 3 and the stability method used for the Helen space rocket.
384,400. About four hundred thousand km (~240,000 mi) – is it near or far? Compared to the distances in our everyday life, its a lot but still, one has to go that far to reach our closest neighbor in the heavens. The average distance of the Moon from the Earth, it takes more than a second for a ray of light and at usually three days for a spacecraft to cover it. But how does the Moon orbit us exactly?