Trajectories are the paths followed by spacecraft as they travel from one point to another. They are governed by two key factors: the spacecraft's own propulsion system and the gravity of the Sun, Earth, and other planets and moons. Because even...

The path described by an object or body moving in space. The path of a projectile after leaving the muzzle of a firearm. FIGURE T.8A Paper and debris used as trailer, allowing the fire to follow a certain...

See Phase...

Colloquially, a trajectory is the path a moving object follows through space. The object might be a projectile or a satellite, for example. It thus includes the meaning of orbit - the path of a planet, an asteroid or a comet as it travels around a...

As I read the articles in this issue of JSD, I found myself thinking about Howard Gardner's newest book, Changing Minds: The Art and Science of Changing Our Own and Other Peoples Minds (Harvard Business School Press, 2004). "Early in life," Gardner observes, "young...

Pythagora's Theorem is the basis for establishing the area of origin in blood pattern analysis and is commonly used in shooting reconstruction for establishing bullet trajectories. In part, this method of triangulation works well in blood pattern analysis, because a specific blood pattern...

The United Nations body charged with fighting world hunger needs to reform itself or face "terminal decline," an independent report said Wednesday.The Rome-based Food and Agriculture Organization needs to address its declining budgets, lack of transparency and unclear priorities, the report said.The draft evaluation, published...

Some recent failures caused by tin whiskers:_ 1986: Malfunctions in radar equipment for U.S. Air Force F-15 fighter jets. Culprit found to be tin whiskers that had detached and fallen into active circuitry, causing intermittent performance problems for the radar. Problem would suddenly disappear when...