Valentines in Space

I've used some images from Phil Plait's blog Bad Astronomy in the past, and they are great.  So here goes again for 2016:

Image credit Bad Astronomy

Make sure you make your loved ones feel special tomorrow.

Note: the link above is to Phil's post as it originally appeared.  His current blog address is here, and you really should hop over there at least once a week.  You'll be glad you did.