See the pint-sized Pink Moon this week.

However, this orbit is not a perfect circle. Instead, it's slightly flattened, forming an ellipse. This alteration allows for a point in the earth's orbit to be identified as being the closest to ...

"The Moon doesn’t orbit in a perfect circle. Instead, the Moon orbits Earth in an ellipse, an oval that brings it closer to and farther from Earth as it travels around," the US space agency ...