It's Teacher Appreciation Week ("Day," too) and the simple message under Google's search box this morning can't be repeated often enough: "Thank you to all the teachers on Earth." The thank-you link leads to this touching video:
From the YouTube description:
"Thank you to the millions of passionate teachers who inspire curiosity in their classrooms ... lesson after lesson, unit after unit, year after year. We're fortunate to have had many of you in our lives, and we can't wait to see what the future will bring because of the work you're doing today."
And, yes, this video isn't only an expression of gratitude; it's also a commercial demonstration of Google products and services.
If you're curious about exploring space (inside the classroom or on your own), here are a few shortcuts to the free tools in this video: