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Debora Rogers posted a status
"Need ideas about a STEM Textbook or ebook 6th & 8th grade engineering"
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John Libby commented on Middle School Portal's group Science
"Thanks!  I'll check it out...."
Jan 10, 2014
Sandra Bureau commented on Middle School Portal's group Science
"That's why you would like diigo. You can search your bookmarks. You can annotate them also and search these.So, I annotate them with how I used them in class and then it makes it easy to find. I'm sure there are other services. "
Jan 10, 2014
 

Science 360 News Service

Venus, as seen in radar with the GBT

Full Text:

A projection of radar data of Venus collected in 2012. Striking surface features such as mountains and ridges are easily seen. The black diagonal band at the center represents areas too close to the Doppler "equator" to obtain well-resolved image data. The surface of Venus is shrouded beneath thick clouds--made mostly of carbon dioxide--and therefore difficult to see from Earth using optical telescopes. In order to penetrate this veil, astronomers must use radar to reveal the planet's features. Astronomers combined the highly sensitive receiving capabilities of the National Science Foundation’s (NSF) Green Bank Telescope (GBT) and the powerful radar transmitter at NSF s Arecibo Observatory to create detailed images of the surface of Venus. The radar signals from Arecibo pass through both the Earth s atmosphere and the atmosphere of Venus, where they hit the surface and bounce back to be received by the GBT in a process known as bistatic radar.

Image credit: B. Campbell, Smithsonian, et al., NRAO/AUI/NSF, Arecibo

Forum

Using Pinterest in Math and Science 4 Replies

Started by Kim Lightle in Integrating Technology. Last reply by Mary Memmer Jun 12, 2013.

Middle School Science Research Models 1 Reply

Started by Della Curtis in Collaborative Projects. Last reply by Kim Lightle Nov 5, 2012.

Response to Intervention-Resources 2 Replies

Started by Kimberly Crosby in Teaching Mathematics. Last reply by Kimberly Crosby Oct 19, 2012.

Textbook Adoption Research Wanted 5 Replies

Started by Lynne Menechella in Teaching Mathematics. Last reply by Lynne Menechella Oct 5, 2012.

Creative Uses for Twitter 2 Replies

Started by Jessica Fries-Gaither in Integrating Technology. Last reply by Kim Lightle Nov 28, 2012.

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