Ursa Arabica Ever wish you could just stargaze all day long? Well, with this mug you can! Make your mornings stellar with this 8-ounce ceramic heat reveal constellation mug. Simply pour in your favorite hot coffee or tea and watch in wonder as golden constellations start to appear across the cup. All your favorites are featured including Gemini, Orion, and Ursa Major. All the wonder and awe of the star-speckled night sky in a handy mug that is sure to impress the astronomy buff in your life.