收藏 Collections from websites

 

 

Ice Ring around Nearby Star Fomalhaut

Why is there a large ice ring around Fomalhaut? links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVulv4UPZ2yXmhKfqkEFBVN8DQ-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPq-2FY7X... -- easily visible in the night sky -- lies only about 25 links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVulpv08u0jTxeiJAbckMnXVzA-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPp-2Bain... away and is known to be orbited by at least one planet, links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVuljbvzELZ4MhRbhrPuawMVPE-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPqJqIU61..., as well as several inner dust disks. More intriguing, perhaps, is an ap050701.html, first discovered about 20 years ago, that has an unusually sharp inner boundary. The links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVulokdarg-2BnuvOfVv8OwjYd-2B4-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPrJ8... by the links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVullfWJXUhLhfpgtAPZ3g0sQ0-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPoHdmjKh... (ALMA) shows this outer ring with complete and unprecedented detail -- in pink -- superposed on a links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVulruJxEtRJcUnEJDyDT7HmME-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPpNvLN2-... image of the Fomalhaut system in blue. A links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVuljD8ee8UGgjE0ozG4fKw81s-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPon8kKSe... that this ring resulted from numerous links.ifttt.com/wf/click?upn=47Ma65zk15Dxq4ShPEq4x3EtbIDHltuXUYR71m6hBGROQyYjT72V1WM4AkKWWgzd-2BZux3dF6A00nYhCzbI-2FYhw-3D-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVf... involving ap150203.html and links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVulnwpVs9-2F0iFrULBhZ5dLbsI-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPouOxD..., the links.ifttt.com/wf/click?upn=47Ma65zk15Dxq4ShPEq4x3EtbIDHltuXUYR71m6hBGRSpADzbe-2BNR1BKG2Vmrgi-2FUwOsskgv-2BjB6zdFQmIppZA-3D-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTF..., while the ring boundaries are caused by the ap041217.html of yet unseen planets. If correct, any interior planets in the links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVuloxYLKR8clyiu9xXRJHobuU-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPoRvFtdE... are likely being continually pelted by large meteors and comets -- an onslaught last seen in links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVulixxUTFaO6G2Vs4Ad1-2BmSeA-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPoGazK... four billion years ago in an episode called the links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVullrTzIw7M665SeW7g57iqbo-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPosrly3L....

 

October 03, 2017

links.ifttt.com/wf/click?upn=jGHDfwvrKDxaofcg5GVulnuMbGo9IL7eEXcEvuC4a4M-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPqd5U-2F...

Get a beautiful photo from NASA delivered to your email every day

links.ifttt.com/wf/click?upn=6tNAOFwxcF8KzWlMrDEXkMBsNv6tbjg3LZSM0iBW7bQ-3D_ZK9XMfi1BLECKI0Cqx7-2FPc-2FHGjieojwgjC-2B2xBKvDh5QAbIxj6Vqhdvg-2FdUTFVfwzqXvpsQbSYFL97GmMVflBKLP3Lqng4yNX7ExkrHjiPqLOft9b...

猜您喜欢

This entry was posted on Saturday, October 7th, 2017 at 9:13 pm and is filed under 科学. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.




Add Comment

Leave a Reply

Comment Rules

  • Example Rule 1
  • Comment rule 2
  • 3. Bold Rule
  • more...

Copyright ©2017 收藏.
%d bloggers like this: