Tag Archives: telescopes

What Software Do You Use to Control Radio Telescopes?

Question:  What software you use to put the antenna in a desire position? In what language was programmed?  – Jael Answer:  We use a combination of several programming languages, but principally use C++ and python to control our antennas.  Historically, … Continue reading

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The Story of the Very Large Array

Question:  Toured the VLA facility in New Mexico on April 5 and was very impressed with the new public relations film narrated by Jodie Foster and, I think, named, “Beyond the Visible; The Story of the VLA”.  Is there a … Continue reading

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Can the VLA and VLBA be used to Detect Rouge Asteroids?

Question: I’m wondering if the VLA/VLBA dedicates any observation time keeping an eye out for rouge asteroids which might intersect near our orbit?  – Doug Answer: The Very Large Array (VLA) and Very Long Baseline Array (VLBA) are not well … Continue reading

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Can Radio Telescopes Detect the Black Box from Malaysian Airlines Flight 370?

I have received several questions about the detectability of the black box from MH370… Questions: Does not the Black box of Malaysian Airlines work at 37.5 kHz, if the sensors are isolated at those frequencies, wouldn’t we be able to … Continue reading

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Top Achievements for the NRAO Very Large Array

Question:  I’m embarrassed to ask this, as I feel after working here for so long I should already know the answer. But here it is: What are the top 3 discoveries/achievements of the VLA? And why?  — Doug Answer:  As … Continue reading

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Can Brain Waves be Detected by a Satellite Radio Telescope Array?

Question:  I have a question that pertains both to space and life on the ground.  It is my theory that, in essence, the U.S. communications and spy satellite network could be used as a massive (about 13 billion square-mile) radio … Continue reading

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Where Did the Original VLA Railroad Ties Come From?

Question:  I please was curious to ask about the VLA located between Datil and Magdalena, NM — is it true that the railroad equipment used to build the layout came from the Santa Fe Railway?  – Lindsey Answer: The original … Continue reading

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How can a Telescope Image Both a Galaxy and the Stars within it?

Question:  How can Hubble give pictures with different zoom levels?  If telescopes are constructed with a fixed focal length and cannot “zoom”.  How come that Hubble can see individual stars in the Andromeda Galaxy http://www.spacetelescope.org/images/heic1112a/.  But can also see the … Continue reading

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How Can Radio Telescopes Make Measurements of Small Objects?

Question: How do you use a dish type radio telescope to produce an image of something occupying such a small fragment of the sky?  – Martin Answer: There are a couple of ways to make images of small objects using … Continue reading

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Detecting a Galaxy Cluster With a Radio Telescope

Question:  Is it possible for a 7-m radio telescope to detect a galaxy cluster of redshift below 0.03? – Ungku Answer:  Yes, as long as the cluster is big and bright enough at the radio frequency at which you want … Continue reading

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