NYT 4 - Earths to fill it. Its orbit is tilted 27 degrees...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Akber Malik Einstein’s Universe NYT 4 NYT: NASA Telescope Discovers Giant Ring Around Saturn On Tuesday, NASA announced that its Spitzer Space Telescope has discovered  the biggest ring around the planet Saturn. Although it is the biggest, it was never  seen before. The reason it had never been seen before is because it doesn’t  reflect much visible light, and no one had looked at it with an infrared telescope  before now.  The ring is an array of dust and ice particles. It starts about 3.7 million miles from  the planet and extends another 7.4 million miles outwards. NASA’s Jet  Propulsion Laboratory says that this ring is so huge that it would take “1 billion 
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Earths to fill it. Its orbit is tilted 27 degrees from the planets main ring plane. It is extremely cold (negative 316 degrees Fahrenheit), yet it still shines with thermal radiation. One of Saturns moons, Phoebe, orbits in the ring and is most likely the source of all of the dust and ice that makes up the ring. Another moon, Iapetus, orbits in the opposite direction as Phoebe, and scientists now believe that material from this new large ring moves inward and crashes into Iapetus....
View Full Document

This note was uploaded on 03/10/2010 for the course HISTORY v55 taught by Professor Lui during the Spring '10 term at Art Inst. KC.

Ask a homework question - tutors are online