Mercury
MESSENGER Completes Second Burn to Maintain Mercury Orbit
A little over a week before NASA's MAVEN spacecraft fired its rockets to successfully enter orbit around Mars, MESSENGER performed a…
Comet Jacques Is Back! Joins Venus and Mercury at Dawn
Comet C/2014 E2 Jacques has returned! Before it disappeared in the solar glow this spring, the comet reached magnitude +6, the naked…
Mercury’s Hot Flow Revealed by MESSENGER
Our Sun is constantly sending a hot stream of charged atomic particles out into space in all directions. Pouring out from holes…
Astronomy Cast Ep. 349: Mercury 7 – How the US picked the First Astronauts
Before the Apollo Program, there was the Gemini Program, and before Gemini came the Mercury Program. 7 elite astronauts chosen…
Curiosity Captures Mercury from Mars
NASA's Curiosity rover may be busy exploring the rugged and rocky interior of Gale Crater, but it does get a…
Virtual Star Party – June 1, 2014: Paul brings his “A” game!
Host: Scott Lewis Guests: Michael Phillips, Bill McLaughlin, Paul Stewart (more…)
Mercury’s Ready For Its Close-Up, Mr. MESSENGER
Are you ready for a good close look at Mercury? At an incredible 5 meters per pixel, this is one of…
Observing Alert: See Mercury’s Best Evening Show of the Year
Don't let furtive Mercury slip through your fingers this spring. The next two and a half weeks will be the best…
The Inner and Outer Planets in Our Solar System
In our Solar System, astronomers often divide the planets into two groups -- the inner planets and the outer planets.…
How Far Are The Planets From The Sun?
The eight planets in our solar system each occupy their own orbits around the Sun. They orbit the star in…