New article on Inoreader

http://www.youtube.com/channel/UCakgsb0w7QB0VHdnCc-OVEA4K: Update - How Long Is A Lunar Month and Lunar Day? Is there a dark side of the moon? -

Welcome to Space Videos - this is an update to my previous video , taking onboard some of your comments and observations. Keep them coming!
We have some great video - created from images from the NASA's Lunar Reconnaissance Orbiter - which shows us one lunar month from new moon to new moon.

We will be discussing how long is a lunar month because it can be different depending on how you measure it.

We'll look at a sidereal month and a synodic month as well as the moon's dark side and why it really isn't that dark after all.

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Music by Kevin Macleod
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