Travelers In The Night

Series produced by Al Grauer

Series image
Image by: NASA 

Travelers In The Night is your unique source of insider Information from the Asteroid Hunting and Space Communities.
The music is "Eternity" by John Lyell.

“Travelers in the Night” has more than 3,975 PRX free purchases as well as 567,000 downloads and plays with 33,000 followers on the internet.

It features an engaging and informative series of two minute, factual episodes about asteroids, comets, spacecraft, and other objects in space.

The script and a list of references for each program piece can be found on travelersinthenight.org.

The pieces are "evergreen" in that they are current but not dated.

The Travelers In The Night Pieces are written and produced by a member of the Catalina Sky Survey Team at the University of Arizona.

The Catalina Sky Survey has discovered nearly half of the Earth approaching objects known to exist.


612 Pieces

Order by: Newest First | Oldest First
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Recently, in the journal Nature Astronomy, a team of astronomers led by Dr. Faustine Cantalloube of the Max-Planck Institute for Astronomy released...

Bought by KSFR, KKRN, KRWG, Harford Community Radio, KTAL-LP [Las Cruces Community Radio] and more


  • Added: Oct 23, 2020
  • Length: 02:00
  • Purchases: 6
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Most life on Earth is synchronized to the regular cycles of day and night. Until about a hundred years ago, the natural night sky was familiar to ...

Bought by KSFR, KICI Iowa City, KKRN, KRWG, Harford Community Radio and more


  • Added: Oct 18, 2020
  • Length: 02:00
  • Purchases: 7
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Auroral displays have been observed and reported on throughout human history. Data from NASA's 5 Themis (Themm us) satellites analyzed by powerfu...

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  • Added: Oct 09, 2020
  • Length: 02:00
  • Purchases: 6
Caption: Atmospheric gravity waves seen from space, Credit:  Jeff Schmaltz – (NASA)
Atmospheric gravity waves can be powerful. In September of 2018 two glider pilots surfed an atmospheric gravity wave created by high speed polar w...

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  • Added: Oct 02, 2020
  • Length: 02:00
  • Purchases: 7
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Statistically asteroid hunters have found more than 90% of the asteroids whose impact could cause global climate change. However, recently, my Ca...

Bought by WTIP, WLPR Merrillville, IN (Chicago metro area), KSFR, KKRN, KRWG and more


  • Added: Sep 25, 2020
  • Length: 02:00
  • Purchases: 6
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Recently amateur astronomer, Worachate Boonplod discovered the 4049th comet recorded in the imaging data produced by SOHO, the ESA/NASA Solar and ...

Bought by WLPR Merrillville, IN (Chicago metro area), Harford Community Radio, KKRN, KRWG, WTIP and more


  • Added: Sep 18, 2020
  • Length: 02:00
  • Purchases: 7
Caption: Artistic illustration of an asteroid approaching Earth. , Credit: Image Credit: Dieter Spannknebel / Getty Images
Nearly every day during the monsoon rainy season in the American southwest, afternoon thunderstorms require putting mountain top telescopes and ca...

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  • Added: Sep 11, 2020
  • Length: 02:00
  • Purchases: 7
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Approximately 100 million metric tons of mostly sand grained sized space dust enters the Earth's atmosphere every day. Occasionally, larger pieces ...

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  • Added: Sep 04, 2020
  • Length: 02:00
  • Purchases: 6
Caption: A lightning bolt strikes in the western part of the city, part of the second of two bands of monsoon storms to roll over the area, Tucson, Ariz., August 28, 2019., Credit: Kelly Presnell / Arizona Daily Star
Every year the Monsoon summer rains come to the American southwest in July and August. After the threat of wild fires has been rained out, monsoo...

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  • Added: Aug 28, 2020
  • Length: 02:00
  • Purchases: 7
Caption: The Kitt Peak National Observatory in Arizona captured this image of Comet NEAT on May 7, 2004. , Credit: NASA
There may be as many as a trillion small icy objects in the Oort cloud near the outer edge of our solar system. Very rarely one of these frozen ice...

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  • Added: Aug 21, 2020
  • Length: 02:00
  • Purchases: 8
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Our star is only one among hundreds of billions in the Milky Way galaxy which itself is only one of a hundred billion or more galaxies in the known...

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  • Added: Aug 14, 2020
  • Length: 02:00
  • Purchases: 8
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Some stars can have flares which can cause them to more than double in brightness in a few minutes. Fortunately our Sun does not do that and the Ea...

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  • Added: Aug 07, 2020
  • Length: 02:00
  • Purchases: 8
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Phaethon (Faith on) is a strange, 4 mile diameter, blueish asteroid. It travels on an orbit which comes so close to the Sun that its exterior is h...

Bought by WLPR Merrillville, IN (Chicago metro area), WTIP, Allegheny Mountain Radio, KSFR, Harford Community Radio and more


  • Added: Jul 31, 2020
  • Length: 02:00
  • Purchases: 8
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My Catalina Sky Survey teammate Hannes Groeller was asteroid hunting in the constellation of Pegasus with our 60 inch telescope on Mt. Lemmon, Ariz...

Bought by WLPR Merrillville, IN (Chicago metro area), WTIP, Allegheny Mountain Radio, KKRN, KRWG and more


  • Added: Jul 24, 2020
  • Length: 02:00
  • Purchases: 8
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The human thirst for knowledge about our mysterious next door neighbor is about to receive more than a sip from robotic emissaries launched in 2020...

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  • Added: Jul 16, 2020
  • Length: 02:00
  • Purchases: 8
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My Catalina Sky Survey teammate Hannes Groeller was observing in the constellation of Boötes with our 60 telescope on Mt. Lemmon, Arizona when he d...

Bought by WLPR Merrillville, IN (Chicago metro area), WTIP, Allegheny Mountain Radio, KRWG, KKRN and more


  • Added: Jul 09, 2020
  • Length: 02:00
  • Purchases: 9
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If we don't place some new space weather observing satellites into orbit it is possible that you will wake up one day to no electricity, no cell p...

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  • Added: Jul 02, 2020
  • Length: 02:00
  • Purchases: 9
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If the current trend in 11 year solar cycles for the past 50 years continues, we can expect lower than average solar activity and the Earth will...

Bought by Allegheny Mountain Radio, WLPR Merrillville, IN (Chicago metro area), KENW, KRWG, KSFR and more


  • Added: Jun 25, 2020
  • Length: 02:00
  • Purchases: 8
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My Catalina Sky Survey teammate Teddy Pruyne was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bigelow, Arizon...

Bought by Allegheny Mountain Radio, WLPR Merrillville, IN (Chicago metro area), KENW, Harford Community Radio, KRWG and more


  • Added: Jun 19, 2020
  • Length: 02:00
  • Purchases: 10
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Asteroid hunters have discovered that the Earth encounters many tiny asteroids as it zips around the Sun at 67,000 miles per hour. Recently my Cata...

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  • Added: Jun 13, 2020
  • Length: 02:00
  • Purchases: 9