Feb 18
By David Prosper March brings longer days for Northern Hemisphere observers, especially by the time of the equinox. Early risers are treated to the majority of the bright planets dancing in the morning skies, with the Moon passing between them at the beginning and end of the month. The vernal equinox occurs on March 20, …
Dec 21
By David Prosper Observers in the Americas are treated to an evening total lunar eclipse this month. Early risers can spot some striking morning conjunctions between Venus, Jupiter, and the Moon late in January. A total lunar eclipse will occur on January 20th and be visible from start to finish for observers located in North …
Dec 07
By David Prosper Caption: Earthrise, 1968. Note the phase of Earth as seen from the Moon. Nearside lunar observers see Earth go through a complete set of phases. However, only orbiting astronauts witness Earthrises; for stationary lunar observers, Earth barely moves at all. Why is that? December marks the 50th anniversary of NASA’s Apollo 8 …
