Solar System, Planets of Our Solar System
Lightning is beautiful and powerful, and has been observed on planets across the solar system.
Solar System, Mars, Planets of Our Solar System
July's night skies feature Mars opposition on the 27th, when Mars, Earth, and the Sun all line up, and Mars' closest approach to Earth since 2003 on the 31st. That means great Mars viewing, though the planet-wide Martian dust storm will make seeing details more difficult.
Solar System, Planets of Our Solar System
As the Juno spacecraft orbits Jupiter, new discoveries about the giant planet continue to be made.
Solar System, Planets of Our Solar System
When NASA’s Juno spacecraft recently flew over the poles of Jupiter, researchers were astonished, as if they had never seen a giant planet before.
And in a sense they hadn’t.
The pictures were unlike anything in the history of planetary exploration.
Solar System, Planets of Our Solar System
This image of Jupiter’s iconic Great Red Spot and surrounding turbulent zones was captured by NASA’s Juno spacecraft.
Solar System, Planets of Our Solar System, Sky Watching
The Moon, Mars and Saturn form a pretty triangle in early April, The Lyrid Meteors are visible in late April, peaking high overhead on the 22nd.
Planets of Our Solar System, Sky Watching
On the evening of March 18, step outside for a view of the crescent Moon, Venus, and Mercury together above the twilight horizon.
Planets of Our Solar System, Sky Watching
For a beautiful sky show, go for a sunset walk on March 18th. You’ll need an unobstructed view of the western horizon for the evening’s treat so climb a hill, see if you can catch a glimpse from the top of a parking garage or perch on a balcony.
Solar System, Planets of Our Solar System
Data collected by NASA’s Juno mission to Jupiter indicate that the atmospheric winds of the gas-giant planet run deep into its atmosphere and last longer than similar atmospheric processes found here on Earth. The findings will improve understanding of Jupiter’s interior structure, core mass and,... Read More
Solar System, Planets of Our Solar System
Three billion miles away on the farthest known major planet in our solar system, an ominous, dark storm – once big enough to stretch across the Atlantic Ocean from Boston to Portugal – is shrinking out of existence as seen in pictures of Neptune taken by NASA’s Hubble Space Telescope.
Solar System, Planets of Our Solar System
In this episode of Gravity Assist, Jim Green talks with New Horizons Principal Investigator Alan Stern of the Southwest Research Institute about what the July 2015 flyby of Pluto revealed about this mysterious and diverse world.
Solar System, Planets of Our Solar System
In this episode of Gravity Assist, NASA’s Jim Green and Amy Simon discuss Uranus, Neptune, and Neptune’s intriguing moon – Triton -- and what we still have to learn about these mysterious bodies.
Solar System, Planets of Our Solar System
Just as the surface of oceans on Earth lies at an average elevation that we call “sea level,” Titan’s seas also lie at an average elevation.
Solar System, Planets of Our Solar System
The sixth planet from the Sun, Saturn is a gas giant that’s best known for its striking icy rings. How old are the rings, and how are they changing over time? And what’s up with Saturn’s mysterious hexagon-shaped storm in the north polar region? In this episode of Gravity Assist, NASA’s Planetary... Read More