“It is worthy of notice that in Table VI the brighter variables have the longer periods. It is also noticeable that those having the longest periods appear to be as regular in their variations as those which pass through their changes in a day or two.” -Henrietta Leavitt
The past year has held a slew of victories and defeats, positives and negatives and everything in between for us all. Don’t lament the bad; instead, set yourself up to enter 2017 with something wonderful in hand: an appreciation of the wonder of the natural Universe.
I lay out my top 10 gift ideas for lovers of outer space, for curious minds of a variety of ages and levels. While it’s book-heavy, you’ll also find recommendations for calendars and a first telescope, and for those who can’t help themselves, everything on the entire list is only around $300, including accessories!