Sky awareness alert:

Total lunar eclipse viewable from all continents this weekend.

• First penumbral contact 20:18 GMT (not visible in the Americas)
• Interior umbral contact 22:44 GMT (viewable in Eastern South America, Europe Africa & Asia)
• Greatest Eclipse 23:21 GMT (viewable at moonrise in Eastern North America)
• ...
• Last penumbral contact 02:24 GMT (not viewable in Eastern Asia & Australia)

Bonus points:
What is moving - the Earth, its shadow, the Moon, or all three?

Extra bonus points:
How many of the following would you need to know to figure out how far it is to the sun by timing this eclipse?

• Mass of the Earth
• Mass of the Moon
• Mass of the Sun
• Diameter of the Earth
• Diameter of the Moon
• Diameter of the Sun
• Distance to the Moon
• Need more info