truetrue English Extremal radii and orbit times associated with velocity changes triggering circular to elliptical orbit conversions. determination method:
English Although Mercury's orbit is the most eccentric of all planets, it is the most elliptical orbit, yet it appears almost circular. But due to that large
English orbits of the HR 6819 hierarchical triple star system: an inner binary with one star (orbit in blue) and a newly discovered black hole (orbit in red)