Latest Hubble search for transition comets Stories
NASA released on Thursday an image of a comet that, on Oct. 19, will pass within 84,000 miles of Mars - less than half the distance between Earth and our moon.
WASHINGTON, March 27, 2014 /PRNewswire-USNewswire/ -- NASA released Thursday an image of a comet that, on Oct.
Asteroid 2201 Oljato orbits the Sun every 3.2 years, and during its lifetime, NASA's Pioneer Venus Orbiter has observed three passages of the space rock between Venus and the Sun.
NASA's Hubble Space Telescope has captured the first snapshots of a suspected asteroid collision.
WASHINGTON, Feb. 2 /PRNewswire-USNewswire/ -- NASA's Hubble Space Telescope has observed a mysterious X-shaped debris pattern and trailing streamers of dust that suggest a head-on collision between two asteroids.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.