A stellar odd couple 700 light-years away is creating a chaotically beautiful display of colorful, gaseous filaments. The Hubble captured the pair, named R Aquarii, and their symbiotic interactions.
Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...
The Red Planet in 2024, unfortunately, isn't going to take center-stage ... Due to its distance, most telescopes with a diameter of 4 inches (100mm) or larger will only present Neptune as a blue-green ...