For the first time, astronomers identify which gases are present in the atmosphere of a “super-Earth” planet orbiting an alien star.
These evenings in May, 2015 are a good time to look the planet Mercury. It reaches its greatest elongation – greatest angular distance, east of the sun – on May 6 (or May 7, depending on time zone). That means this world can now be spotted in the sunset direction as dusk ebbs into darkness. Cloudy tonight? No worries. Look … Read More