The $10 t-shirt deal of the day over at RIPT Apparel is a Firefly-themed shirt called “Greetings From Miranda” by studown.

The sale at RIPT began today, Tuesday, February 21, 20112, at midnight CST, and will continue for 24 hours from then, and once it’s over, it will not be sold on the site anymore.

The t-shirt is available in men’s and women’s sizes for $10 each in brown. Kids sizes are $15 (Boys, Girls, and Toddlers in brown); Onesies are $18 (in brown). You can also get the design on a Hoodie for $38 (in Men/Unisex sizes in black).

Here’s what the artist had to say about this design:

Greetings from the planet Miranda; a peaceful planet featuring G-23 Paxilon Hydrochlorate running through our air processors. One breath and you’ll feel at peace with you, your surroundings, and everything else. 99.9% success rate!

What do you think of this design? (Awesome, I know.)