OSIRIS-REx (starts at 1:00) In today’s first feature, we hear about OSIRIS-REx, NASA’s first mission to do a sample return from an asteroid. Our guest is Dr. Vicky Hamilton, a Staff Scientist at the Southwest Reserarch Institute’sBoulder office, and a member of that mission. She talks about the scientific goals of OSIRIS-REx, and how it plans to obtain and return a sample of the asteroid Bennu.
New Horizons (starts at 14:05) Our second spacey feature is about a mission that you might describe as exploring “beyond the beyond”. The piano-sized, nuclear-powered New Horizons spacecraft flew by Pluto over 3 years ago, and now has its sights set on an even more distant target named Ultima Thule. To talk about that, we have another local scientist from Southwest Research Institute, Dr. Cathy Olkin, Institute Scientist and also a New Horizons mission Deputy Project Scientist. We hear about the flyby events that will take place on New Year’s Eve.
Host, Producer, and Engineer: Joel Parker Executive Producer: Susan Moran
Chasing Shadows [starts at 9:40] Astronomy is a science that depends on watching things happen in the universe that we don’t have control over: supernovae, formation of stars, orbits of planets, and the spectacle of solar eclipses. You can’t grab a distant galaxy and bring it into the lab for experiments, so astronomers have to depend on studying the light that fortuitously comes to them from distant objects. However, by studying just that light, we can learn much about the objects in the universe and how they formed and evolved. For example, studying solar eclipses have taught us about the corona of the sun and about general relativity. To make those observations and measurements, scientists have to chase the shadow and set up their laboratory in remote places to catch it. In this edition of How on Earth we talk with one such shadow-chaser: astronomer Dr. Marc Buie from the Boulder office of the Southwest Research Institute. Marc organized a set of expeditions around the Earth to observe occultations of the Kuiper belt object 2014 MU69, which is is the next flyby target of the New Horizons space mission that flew past Pluto in July 2015. He explains the science of occultations, what can be gleaned from these shadowy observations of 2014 MU69, and talks about planning for observation expeditions to remote places around the world.
Hosts: Joel Parker, Chip Grandits Producer / Engineer: Joel Parker Executive Producer: Alejandro Soto
Proof: The Science of Booze (starts at 8:09): Science journalist Adam Rogers, who claims to have taken a liking to single-malt whiskey when he reached drinking age, has immersed himself further into alcohol–particularly, the history and science of making booze, tasting it, and enjoying–or suffering—the effects of it. Booze is a big story: Indeed, making it was a key piece of the dawn of human civilization, as Rogers, who is articles editor at Wired magazine, shows in his inaugural book, called Proof: The Science of Booze. Rogers talks with How On Earth host Susan Moran about fascinating fungi, sugar molecules and other key ingredients, as well as our human taste buds for alcohol. We have a couple of copies of Proof from our recent pledge drive, so call KGNU (303-449-4885) this week and pledge at least $60 to get your own copy.
Rosetta’s Rendezvous (start time: 17:40): How On Earth’s own Joel Parker, whose “real” job as a planetary scientist is a director at the Southwest Research Institute, a collaborating partner on the Rosetta Mission. The mission last week successfully became the first to land a craft on a comet flying through our solar system. It was a well earned landing: Rosetta left earth in March of 2004 and has traveled about 3 billion miles to rendezvous with this moving target. To learn more, read this recent Q&A with Joel in the New York Times.
Also, Shelley Schlender offers a special headline (starts at 3:39), an interview with CU-Boulder’s Dr. Kenneth Wright, an integrative physiologist, about his new study offering new clues about why shift work can lead to extra weight.
Hosts: Susan Moran, Kendra Krueger Producer: Susan Moran Engineer: Kendra Krueger Additional contributors: Beth Bennett, Shelley Schlender Executive Producers: Kendra Krueger, Jane Palmer
Curiosity’s RAD (start time 7:14). To design a successful manned mission to Mars, we’ll have to know a lot about the radiation environment between the Earth and Mars and on the planet’s surface. The Radiation Assessment Detector (RAD) instrument on Curiosity is designed to make those measurements. We talk with Southwest Research Institute’s Dr. Donald Hassler, the RAD instrument Principle Investigator, about RAD’s purpose, how the instrument works, and the joys and scary moments that come with working on Mars.
Planetary science budget (start time: 15:49). Despite the successes of the Mars missions and voyages to our other planetary neighbors, the White House decided that NASA’s planetary science budget should be drawn down. The hit would be substantial, a twenty percent reduction from 2012. 300 million dollars would be removed from a baseline one and a half billion dollars. We ask Dr. Alan Stern, who has served as the chief of the Science Mission Directorate at NASA, about why the planetary science budget should be restored.
Hosts: Jim Pullen and Shelley Schlender Producer: Jim Pullen Engineer: Shelley Schlender Executive Producer: Susan Moran