Hi moondialists:
I have been watching the waxing moon each night as it heads towards the
total lunar eclipse on January 21 4:41:30 Universal Time. Its apparent
diameter seems to be increasing, which means that it is approaching perigee,
right? If last month's huge full moon was nearly at
Earlier I wrote:
According to the 2000 Astronomical Almanac, perigee occurs Jan 19 23 h
UT. According to Kepler an orbital body moves fastest near perigee
(equal area rule). The faster motion may outweigh the larger umbra--I
don't know, though I suspect this to be the case.
On the web page
Hi moondialists:
I have been watching the waxing moon each night as it heads towards the
total lunar eclipse on January 21 4:41:30 Universal Time. Its apparent
diameter seems to be increasing, which means that it is approaching perigee,
right? If last month's huge full moon was nearly at