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Latest Io Stories

jupiter auroras
2015-03-25 14:01:35

On Earth, bursts of particles spewed by the Sun spark shimmering auroras, like the Northern Lights, that briefly dance at our planet's poles. But, on Jupiter, there's an auroral glow all the time, and new observations show that this Jovian display sometimes flares up because of a process having nothing to do with the Sun.

2015-03-25 08:39:00

Maxim Integrated's IO-Link smart temperature sensor reference design lowers cost and increases uptime for industrial control and automation. SAN JOSE, Calif., March 25, 2015 /PRNewswire/ --

jupiter wipe out
2015-03-25 08:47:29

Our solar system might have been a vastly different place before Jupiter arrived, according to a new Proceedings of the National Academy of Sciences that suggests that the gas giant may have destroyed an entire generation of inner planets before entering its current orbit.

NewHorizons_Jup-browse
2015-03-22 15:27:39

Pluto is finally getting some recognition as New Horizons plans to reach it this summer. But what's next for the spacecraft?

mercury
2015-03-19 14:57:13

Since 2011, NASA’s MESSENGER probe has been orbiting and gathering data on Mercury and the latest published research based on mission data has revealed never-before-seen features on our Solar System’s third planet.

lunar volcanic eruption
2015-03-19 14:29:08

A team of scientists have discovered that a volcanic eruption on the Moon was much larger than previously thought – with debris from the eruption covering an area about the size of South Carolina.

kite volcano
2015-03-17 08:48:06

What can flying a kite over the Hawaiian islands tell us about past events that helped shape the landscape of Mars? Quite a lot, apparently, according to scientist from the Lunar and Planetary Laboratory (LPL) at the University of Arizona.

15-033i1
2015-03-13 11:34:45

The biggest moon in our solar system has some big news to share: it has a huge, saltwater ocean underneath its crust!

2015-03-12 12:22:43

WASHINGTON, March 12, 2015 /PRNewswire-USNewswire/ -- NASA's Hubble Space Telescope has the best evidence yet for an underground saltwater ocean on Ganymede, Jupiter's largest moon.

2015-03-09 16:20:49

WASHINGTON, March 9, 2015 /PRNewswire-USNewswire/ -- NASA will host a teleconference at 11 a.m.


Latest Io Reference Libraries

9_4e0ee555c18ad7f31f4e1417f556ae6a2
2004-10-19 04:45:44

Satellite -- A satellite is an object that orbits another object. With sufficient tangential velocity, the object does not collide with the primary object it orbits, but maintains a distance from that object as the rate at which it falls towards that object is similar to the rate that it travels away, thus the object orbits the primary object and becomes a satellite. In other words: gravitational force serves as the centripetal force needed to make the object circle the primary...

9_5c04e476a527b2fbd3e32c57addd63822
2004-10-19 04:45:44

Galileo Probe -- The Galileo probe was an unmanned probe sent by NASA to study the planet Jupiter and its moons. Named after the astronomer Galileo Galilei, it was launched on October 18 1989 by the Space Shuttle Atlantis and arrived at Jupiter on December 7 1995. Galileo's launch had been significantly delayed by the hiatus in Space Shuttle launches that occurred after the Space Shuttle Challenger disaster, and new safety protocols that were implemented as a result forced Galileo to use...

4_fc730703fb1423212704a9ca14d177942
2004-10-19 04:45:40

Jupiter's Moon Leda -- Leda ("LEE duh") is the ninth of Jupiter's known satellites and the smallest. Discovered by C. Kowal Date of discovery 1974 Mass (kg) 5.68e+15 Mass (Earth = 1) 9.5047e-10 Equatorial radius (km) 8 Equatorial radius (Earth = 1) 1.2543e-03 Mean density (gm/cm^3) 2.7 Mean distance from Jupiter (km) 11,094,000 Rotational period (days) ? Orbital period (days) 238.72 Mean orbital velocity (km/sec) 3.38 Orbital eccentricity 0.1476 Orbital inclination (degrees)...

4_a34505fa4e67ac355472742562cbda502
2004-10-19 04:45:40

Jupiter's Moon Callisto -- With a diameter of over 4,800 km (2,985 miles), Callisto is the third largest satellite in the solar system and is almost the size of Mercury. Callisto is the outermost of the Galilean satellites, and orbits beyonds Jupiter's main radiation belts. It has the lowest density of the Galilean satellites (1.86 grams/cubic centimeter). Its interior is probably similar to Ganymede except the inner rocky core is smaller, and this core is surrounded by a large icy...

4_aaa5179a0f2215133d1a720eb259e07f2
2004-10-19 04:45:40

Jupiter's Moon Ganymede -- Ganymede is the largest satellite in the solar system with a diameter of 5,268 km (3270 miles). It is larger than Mercury and Pluto, and three-quarters the size of Mars. If Ganymede orbited the Sun instead of orbiting Jupiter, it would easily be classified as a planet. If Ganymede orbited the Sun instead of Jupiter it could be classified as a planet. Like Callisto, Ganymede is most likely composed of a rocky core with a water/ice mantle and a crust of rock and...

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Word of the Day
cowpooling
  • The practice of two or more parties jointly purchasing all or part of a butchered cow and dividing the meat between them.
The word 'cowpooling' was formed on the model of 'carpooling'.