Plan Ahead

"Come Sept. 18, Venus, Mercury and Mars will form an equilateral triangle, whose sides are 4 degrees in length. And Spica now becomes a part of this array, sitting only a few degrees to the left of the triangle. Whether you'll actually be able to see it, or the even fainter Mars against the backdrop of the bright twilight sky, however, is debatable.

But to have three planets and a bright star crammed into a relatively small spot in the sky does not happen very often, so I would urge you to give it a try."

Read the complete article here.