Volcanic moon Io has molten interior
Posted: Fri, May 13, 2011, 6:51 AM ET (1051 GMT)
Planetary scientists have determined that Io, a large, volcanically-active moon of Jupiter, has a layer of molten or partially molten magma in its interior. In a paper published Thursday by the journal Science, scientists reported the discovery by studying the interaction between Io and Jupiter's magnetic field in data collected by NASA's now-defunct Galileo spacecraft. Researchers linked unexplained signatures in the data to electrical currents flowing through a layer of magma estimated to be over 50 kilometers thick beneath the surface. That magma can explain the high degree of volcanism on Io, which has 100 times the volcanic activity as the Earth.
Planetary scientists have determined that Io, a large, volcanically-active moon of Jupiter, has a layer of molten or partially molten magma in its interior. In a paper published Thursday by the journal Science, scientists reported the discovery by studying the interaction between Io and Jupiter's magnetic field in data collected by NASA's now-defunct Galileo spacecraft. Researchers linked unexplained signatures in the data to electrical currents flowing through a layer of magma estimated to be over 50 kilometers thick beneath the surface. That magma can explain the high degree of volcanism on Io, which has 100 times the volcanic activity as the Earth.| <<previous article | next article>> |
|
news in brief
|
|
New Virgin Galactic spaceplane arrives at Spaceport America
Posted: Sat, Oct 31 10:38 AM ET (1438 GMT) |
|
news links
|
|
Monday, November 2
Forum: Springs’ space future is bright without Space Command
Colorado Springs Gazette — 5:37 am ET (1037 GMT) S. Korea's Air Force to participate in U.S.-led space war game for 1st time
Yonhap News — 5:35 am ET (1035 GMT) The growing threats that make the Space Force essential
Washington Examiner — 5:33 am ET (1033 GMT) Lawfare against Elon Musk could affect the Artemis program
The Hill — 5:26 am ET (1026 GMT) Southland's global space company won't write down military policy
The Southland App (NZ) — 5:25 am ET (1025 GMT) |
