May 8, 2024
Mercury reaches greatest western elongation tomorrow. To find Mercury, you must look southeast about 30 minutes before sunrise. Mercury will only be 5.5° above the horizon so it will be difficult to see.
Composite image of Mercury’s north pole where water ice was confirmed by NASA. The ice is found in the bottom of impact craters that are permanently dark. This image was captured by the Messenger spacecraft. Image credit: NASA.