The keyhole effect involves a small spatial region where a planet's gravity can alter the trajectory of a passing asteroid, allowing it to return on a collision course with that planet in the future.

Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol. 32, No. 3/4 (Dec., 1970), pp. 363-378 (16 pages) For computing the trajectory of a projectile the retardation coefficient is ...

Is the Path a Parabola? Maybe I should have looked at this part first. Does the path of the water even make a parabola like a projectile motion object with no air resistance would? Let's find out.

Season 2 Episode 405 | 30m 1s Projectile Motion: The terms projectile and trajectory are introduced. Students learn to describe horizontal and vertical components of a projectile’s motion.

A GERMAN 16-year-old is the first to solve a centuries-old mathematical problem posed by Sir Isaac Newton. Shouryya Ray worked out how to calculate exactly the path of a projectile under gravity ...