Question: I neither have a large aperture or fast imaging telescope, neither a large or very sensitive CCD camera….
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Can Radio Waves be Focused Like Visible Light?
Question: A visit to your Very Large Array prompted the question, “Can we focus radio waves much as we…
How Did Karl Jansky Measure Galactic Radio Emission at 20.5 MHz When the Earth’s Ionosphere Reflects Radio Waves at This Frequency?
Question: If 20MHz waves are ‘bounced’ by the ionosphere, how is it that Karl Jansky detected 20.5MHz waves coming…
Is There a Place Where One Can See Daily Radio Images of the Sun?
Question: Is there a place that posts daily images of the Sun in a radio frequency, perhaps 21 cm,…
How Can One Tell What Telescope Made an Image of a Deep Space Object?
Question: When looking at an image of a deep space object, how can you tell what type of telescope…
Why are Telescopes Better at Observing Astronomical Objects than the Naked Eye?
Question: Why are telescopes better than the naked eye? — Amanda Answer: Well, in fact, there are circumstances when…