Question: What objects emit radio waves? — Chris Answer: In fact, all objects that emit energy also emit radio…
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Why Do Some Parts of a Radio Telescope Need to Be Kept Cold?
Question: The guide for our tour of the GBT mentioned that they have to cool down the electronic equipment…
Do Antennas in an Array Always Need to Point to the Same Spot?
Question: There is a very nice animated clip of the array set as the bing.com background today (7-11-14). I…
What is a Fairly Representative Radio Astronomy Project?
Question: What is a fairly representative project a radio astronomer might be involved with perhaps to investigate dark energy…
What is the Energy of the Photons Emitted by the Hydrogen 21cm Transition?
Question: What is the typical amplitude in volts (milli, micro, or otherwise) of radio waves around the 1420 MHz…
Can One Detect Brain Waves With a Radio Receiver?
Question: Theoretically, could a smaller version of radio telescopes be built to examine human brain waves in an appropriately…