Texas Education Agency
Texas Gateway: Motion Equations for Constant Acceleration in One Dimension
By the end of this section, you will be able to do the following: Calculate displacement of an object that is not accelerating, given initial position and velocity; Calculate final velocity of an accelerating object, given initial...
NASA
Nasa Science: The Brightest Supernova Ever Seen
Article explores the supernova of a star that is possibly "150 times more massive than our Sun." The primary observations of the explosion were accomplished through the Chandra X-ray Observatory. (May 7, 2007)