Minor-planet moon Herculina does not have a significant satellite. There were other similar reports of asteroids having companions (usually referred to as satellites) in the following years. Also, a letter in "Sky & Telescope" magazine at this time pointed to apparently simultaneous impact craters on Earth (for example, the Clearwater Lakes in Quebec), suggesting that these craters were caused by pairs of gravitationally-bound objects. In 1993, the first asteroid moon was confirmed when the Galileo probe discovered the small Dactyl orbiting 243 Ida in the asteroid belt. The second was discovered around 45 Eugenia in 1998. In 2001, 617 Patroclus and its
First on the Moon based on conspiracy theory of lost cosmonauts. Production of "First on the Moon" lasted for three years and involved more than a thousand people. Most of filming was performed on Sverdlovsk Film Studio. The cosmonaut space training was filmed in Chelyabinsk, at the Institute of Aviation, where there exists equipment from Star City which even Gagarin used for training. The actors worked without stunt doubles; they were really spinning in the centrifuge, despite the fact that this training is difficult even for professionals. The film was made in both black and white and color, with cinematography by Anatoliy Lesnikov. Set