A real "Science Snack" for anyone who is interested in the extraterrestrial.<br />Dr. Al Grauer is a member of the Catalina Sky Survey which has led the world in near Earth asteroid discoveries for 17 of the past 19 years.<br />The music is "Eternity" by John Lyell.<br />Astronomy Asteroids Space NASA Comets Earth Impact Aliens
| Title | Date published | ||
| 130E-142-Planetary Defense | 2021-05-25 | ||
| 641-Backyard Astronomy | 2021-05-21 | ||
| 129E-141-Sailing The Cosmos | 2021-05-18 | ||
| 640-Rocks or Rockets | 2021-05-14 | ||
| 128E-140-A Weird Orbit | 2021-05-11 | ||
| 639-Earth Approachers | 2021-05-07 | ||
| 127E-139-Next Step to Mars | 2021-05-04 | ||
| 638-Methane | 2021-04-30 | ||
| 126E-138-An Inter-Planetary Visitor | 2021-04-27 | ||
| 637-Martian Dust | 2021-04-23 | ||
| 125E-137-Bad Seeing | 2021-04-20 | ||
| 636-90 Inch | 2021-04-16 | ||
| 124E-136-The Oceans of Ganymede | 2021-04-16 | ||
| 635-Exploring Mars | 2021-04-09 | ||
| 123E-135-Future Impact Possibilities | 2021-04-06 | ||
| 634-Meteor Goes Splat | 2021-04-02 | ||
| 122E-134-Recycling Spacecraft | 2021-03-30 | ||
| 633-Dress Rehearsal | 2021-03-26 | ||
| 121E-133-2 Close Approaches | 2021-03-23 | ||
| 632-Couch Potato | 2021-03-19 |