Category Archives: Astronomy

NASA Scientist Comes Face to Face with Creation

Henry was picked to oversee the development of America’s first earth satellite, Explorer I. Henry says he lobbied to get Dr James Van Allen’s package (a Geiger counter) on the satellite. This led to the discovery of the Van Allen Radiation Belts, which influence things from radio communications to the strength of the northern and southern auroras…

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The Mystery of Dark Matter

NASA galaxy image

It appears that there is a lot of mass that’s missing. In fact, this used to be called the missing mass problem. So what’s going on here? One possible explanation is that there is a lot of matter—a lot of physical stuff—arranged in a “halo” (a spherical shape surrounding galaxies). This has become known as dark matter. It’s physical stuff, thus the word “matter”—but we don’t see it, thus the word “dark.” …

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