What is Radio Astronomy?. MIT Haystack Observatory This material was developed under a grant from the National Science Foundation. The Electromagnetic Spectrum. Spans a range of wavelengths Visible is just a narrow range Radiowaves span a large range - from under 1mm to several meters.
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MIT Haystack Observatory
This material was developed under a grant from the National Science Foundation
HC3N as a density probe
in the Taurus Molecular
CH3CCH as a temperature probe in TMC-1
Model of H2O maser emission around NGC4258
Getting better “resolution”
Compare the radio image on the right, made with the Haystack 37-m single dish telescope at a frequency of 43 GHz with the radio image above made with the 27-element Very Large Array.