Jun 25, 2017
This week we take a look at weather forecasting after the Navigator's trip to Boulder, CO for the NASA Social event for the launch of the JPSS-1 polar orbiting satellite. We discuss a brief history of weather forecasting, the roles of both geosynchronous and polar orbiting satellites in that endeavor and the JPSS...
Jun 16, 2017
In the years between 1905 and 1911, the astronomer Ejnar Hertzsprung and Henry Russell Norris developed a way of representing the accumulating astronomical and astrophysical data on stars that revealed the presence of a relationship between a stars brightness and its temperature. This Hertzsprung-Russell or H-R Diagram...
Jun 4, 2017
This week, with the help of steampunk attired lady and gentleman bugs, we take a look at the Doppler effect. We use water waves, sound and light to examine the consequences of what happens with the observer of a wave is moving with respect to the wave's source. We also look at the history of the idea from the work of...