Here's why:
* Planetary Alignment: "Alignment" is a loose term. It could mean the planets are all in a straight line, which rarely happens. It could also mean they are clustered in a relatively small area of the sky, which is more common.
* Perspective Matters: Planetary alignment depends on your viewpoint. From Earth, planets might appear close together, but from another location in the solar system, they might be far apart.
* No Specific Date: You didn't specify a location for this alignment, so it's difficult to determine if it was significant or even visible.
To get a more accurate answer, you need to clarify:
* What type of alignment are you looking for?
* What location are you interested in?
* Are you looking for a specific astronomical event related to this date?
Once you provide this information, I can try to help you find out if the planets aligned on March 10th.