Visualization of the Sun-Earth Lagrange points. Orbital mechanics is a fun subject, as it involves a lot of seemingly empty space that’s nevertheless full of very real forces, all of which must be ...

Satellites and instruments placed at Lagrange points remain in a stable position because the gravitational forces from the Earth and sun balance each other, requiring only minimal energy for ...

Reliably guiding and capturing optical waves is central to the functioning of various contemporary technologies, including communication and information processing systems. The most conventional ...

India’s Aditya-L1 probe will arrive in a few days at a patch of space between Earth and the sun, almost a million miles away. The location is remote yet isn’t very lonely. Four active spacecraft are ...