Gram-negative ((of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method). Hyponyms (each of the following is a kind of bacteria): acidophil; acidophile (an organism that thrives in a relatively acid environment).
Gravity from the Sun reaches throughout the solar system and beyond, keeping the planets in their orbits. Gravity from Earth keeps the Moon and human-made satellites in orbit. It is possible to far away from a planet or star and feel less gravity, because gravity decreases with distance.But that doesn't account for the weightless feeling that astronauts experience in space.ravity from the Sun reaches throughout the solar system and beyond, keeping the planets in their orbits. Gravity from Earth keeps the Moon and human-made satellites in orbit. It is possible to far away from a planet or star and feel less gravity, because gravity decreases with distance.
Chandrayaan-1 (meaning 'Moon craft' in Sanskrit) reached its target lunar orbit on Wednesday. The orbiter will remain in a circular orbit 102 kilometres above the Moon's surface for two years. Its instruments will be gradually commissioned over the next few days. With this landing, India became both the fourth country to place a flag on the Moon and the fifth group to send a spacecraft to the Moon.