Albert D. Grauer
Travelers In The Night
A real "Science Snack" for anyone who is interested in the extraterrestrial. 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. The music is "Eternity" by John Lyell. Astronomy Asteroids Space NASA Comets Earth Impact Aliens
Author
Albert D. Grauer
Category
Podcast website
Latest episode
Jul 10, 2026
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Episodes
326-Asteroids 2016 21.02.2017 2:01
Dangerous Celestial Neighbors Are Still Out There.
325-Marrakech 17.02.2017 2:01
An observatory near Marrakech, operated remotely from France and Switzerland, is discovering new members of our solar system.
324-Newborn Planets 14.02.2017 2:01
Astronomers are able to view the rare occurrence of planets in formation with the ALMA radio telescope in Chile.
323-Big Splash 10.02.2017 2:01
An asteroid impacting into the ocean would create a big splash but not a tsunami.
322-Dust Stories 07.02.2017 2:01
Tiny messengers from outer space enter our atmosphere every day. Collect your own beautiful micro-meteorite sample.
321-Dangereous Comet 03.02.2017 2:01
Humanity should be ready in the unlikely but potentially catastrophic situation in which a comet comes out of nowhere and is heading for planet Earth.
320-WOW What a Ride 31.01.2017 2:01
A potentially hazardous asteroid crosses the orbits of Mercury, Venus, Earth, and Mars. It must be made of durable rocky material to survive its close approaches to the Sun.
319-Lost and Found 27.01.2017 2:01
A 426 foot diameter asteroid is found after being lost for 15 years.
318-Caves of Mars 24.01.2017 2:01
It is intriguing to consider that deep inside Mars all of the necessary ingredients for life may be present together.
317-Psyche Water 20.01.2017 2:01
The asteroid Psyche may be one of the most expensive pieces of real estate in the solar system.
316-Weird Centaur 17.01.2017 2:01
Centaurs are named after the mythical beasts which were half human and half horse perhaps because they have characteristics of both asteroids and comets.
315-See Comets 13.01.2017 2:01
2017 will be a good year to view comets with your unaided eye or a pair of binoculars.
314-Our Number 10.01.2017 2:01
The extremely unlikely scenario of an impactor with our number on it.
313-Martian Motherlode 06.01.2017 2:01
Using ground the penetrating RADAR on the NASA Mars Reconnaissance Orbiter, scientists have discovered an ice deposit on Mars the size of New Mexico.
312-200 Yards Of Trouble 03.01.2017 2:01
An asteroid which can come to within about an Earth circumference of the surface of our home planet needs watching.
311-Bright and Bald 30.12.2016 2:01
Humans are developing the ability to study an Earth approaching object to prepare for one that is on an impact trajectory with our home planet.
310-Ethics and Mars 27.12.2016 2:01
Should martian microbes be sacrificed to human space exploration.
309-Tiny Atira 23.12.2016 2:01
Atira, named for the Pawnee goddess of Earth and the Morning and Evening Star orbits the Sun inside of our path.
308-Planning For Impact 20.12.2016 2:01
Planning for the unlikely event that an asteroid is on a collision course with planet Earth will minimize injury and the loss of life.
307-Stepping It Up 16.12.2016 2:01
Competition gives humans the best chance to find dangerous objects and tax payers get more bang for their buck.
306-Egg Rock 13.12.2016 2:01
The NASA/JPL Mars Curiosity Rover discovers a meteorite on Mars.
305-Murky 09.12.2016 2:01
A very close approaching asteroid is observed to pass through the Earth's shadow.
304-Close One 06.12.2016 2:01
Tracking a small asteroid as it makes a very close approach to planet Earth.
303-CRASH 02.12.2016 2:01
Traveling to Mars is a risky business.
302-Sensing A Comet 29.11.2016 2:01
Combining Art and Science gives us a new way to appreciate the wonders of the Universe.
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