Solar System Topics
A Hawaiian-Style Volcano on Io
1999 — April 6, 2011
New images from Galileo reveal unexpected details of the Prometheus volcano on Io including a caldera and lava flowing through fields of sulfur dioxide snow.
A Volcanic Flashback
1999 — April 6, 2011
With another Io flyby less than a week away, JPL has released new data showing towering mountains, sizzling hot spots, and enormous lava lakes on Jupiter's fiery moon.
The Red Planetin 3D
1999 — April 6, 2011
New data from Mars Global Surveyor reveals the topography of Mars better than many continental regions on Earth.
Leonids Rain in Spain
1999 — April 6, 2011
An outburst of over 1500 Leonid Meteorsper hour dazzled observers in Europe and the Middle East.
NASA Announces Mars Landing Site
1999 — April 6, 2011
Mars Polar Lander heads for a touch down near the Red Planet's south pole to study the history of martian climate.
Leonids Control Center monitors meteor activity
1999 — April 6, 2011
International team will provide meteor counts for satellite operators
Don't Forget the Partial Eclipse!
1999 — April 6, 2011
North Americans could experience unusual shadow effects near sunrise on Aug. 11.
Chandra has a busy observing schedule
1999 — April 6, 2011
Dying magnetars, supernovae, and the future of the universe are on tap for NASA's Chandra X-ray Observatory, scheduled for launch July 20, 12:39 a.m. EDT.
Much ado about Pluto
1999 — April 6, 2011
Recent discoveries of Pluto-like objects in the outer solar system have sparked debate about the nature of the tiniest "planet."
Turn left at Callisto
1999 — April 6, 2011
This morning NASA's Galileo spacecraft zoomed past Jupiter's moon Callisto. The maneuver was designed to bring Galileo closer to Jupiterin preparation for a daring encounter with a volcano on Io.