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.

The PRX Series “Travelers In The Night” has more than 4,400 PRX free purchases as well as more than 625,000 downloads and 33,000 followers on the internet. It has been aired on 54 radio stations.


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.


659 Pieces

Order by: Newest First | Oldest First
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An interstellar traveler visits our neighborhood on its tour of the Milky Way.

Bought by Allegheny Mountain Radio, KENW, KUPR low power FM, WLPR , KKRN and more


  • Added: Dec 28, 2018
  • Length: 02:00
  • Purchases: 6
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The discovery of a Jupiter family comet whose fate is to become a garden variety main belt asteroid.

Bought by Allegheny Mountain Radio, KENW, KRWG, WLPR , KSFR and more


  • Added: Dec 22, 2018
  • Length: 02:00
  • Purchases: 8
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On Halloween night while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona I discovered 21 space rocks streaking th...

Bought by Allegheny Mountain Radio, KENW, KRWG, WLPR , WTIP and more


  • Added: Dec 13, 2018
  • Length: 02:00
  • Purchases: 6
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As asteroid hunters equipment and skills continue to improve we will be able to find and track some of these tiny impactors and perhaps be able to ...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KKRN and more


  • Added: Dec 08, 2018
  • Length: 02:00
  • Purchases: 6
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Space is not all that far away. If a powerful solar eruption in 2012 had happened a week earlier, the blast of radiation would have caused wide sp...

Bought by Allegheny Mountain Radio, KENW, KUPR low power FM, KKRN, KRWG and more


  • Added: Nov 30, 2018
  • Length: 02:00
  • Purchases: 7
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The discovery of two large ghostly neighbors approximately 65,000 by 45,000 miles in size at the L4 and L5 sites approximately 250,000 miles from b...

Bought by Allegheny Mountain Radio, KENW, KKRN, KRWG, WTIP and more


  • Added: Nov 27, 2018
  • Length: 02:00
  • Purchases: 7
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Since 1900 there have been 11 close approaches by asteroids larger than 300 feet in diameter. One of them, the Tunguska Object was about 400 feet ...

Bought by Allegheny Mountain Radio, KENW, KRWG, WTIP, WLPR and more


  • Added: Nov 18, 2018
  • Length: 02:00
  • Purchases: 8
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My team, the Catalina Sky Survey, would not find a single asteroid without Steward Observatory's Mountain Lemmon Operations, or Mtn Ops for short. ...

Bought by Allegheny Mountain Radio, KENW, KRWG, WTIP, WLPR and more


  • Added: Nov 16, 2018
  • Length: 02:00
  • Purchases: 8
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Aten Asteroids are stealthy space rocks which can be dim and hard to detect since for most of their path about the Sun their illuminated side is f...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, WLPR and more


  • Added: Nov 10, 2018
  • Length: 02:00
  • Purchases: 8
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Ten hours and 46 minutes after my Catalina Sky Survey teammate Greg Leonard discovered a Toyota RAV4 sized space rock, now named 2018 UA, streaking...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KUPR low power FM and more


  • Added: Nov 03, 2018
  • Length: 02:00
  • Purchases: 7
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Until recently the discovery of very close approaching asteroids was rare, however, due to improvements in telescopes, cameras, and computers aster...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KKRN and more


  • Added: Nov 02, 2018
  • Length: 02:00
  • Purchases: 6
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Don't count on the decrease in solar activity to save you from human produced global warming, however something potentially important to you is hap...

Bought by Allegheny Mountain Radio, KENW, WLPR , KUPR low power FM, KRWG and more


  • Added: Oct 28, 2018
  • Length: 02:00
  • Purchases: 8
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Asteroid hunters are developing the equipment and skills which enable them to predict the impact of tiny space rocks. Thus in the future you may h...

Bought by Allegheny Mountain Radio, KENW, WLPR , KUPR low power FM, KRWG and more


  • Added: Oct 28, 2018
  • Length: 02:00
  • Purchases: 7
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Recently my Catalina Sky Survey teammate Richard Kowalski was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bi...

Bought by Allegheny Mountain Radio, KENW, WLPR , KUPR low power FM, KRWG and more


  • Added: Oct 21, 2018
  • Length: 02:00
  • Purchases: 7
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To give you an idea of the celestial traffic in our neighborhood, on a recent clear night, using our 60 inch telescope on Mt. Lemmon, Arizona, my C...

Bought by Allegheny Mountain Radio, KENW, WLPR , KUPR low power FM, KRWG and more


  • Added: Oct 18, 2018
  • Length: 02:00
  • Purchases: 8
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In the fictional Star Trek series, Vulcan, Spock's home planet was imagined to orbit the A component of the triple star system 40 Eridani [Eri-dani...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KKRN and more


  • Added: Oct 12, 2018
  • Length: 02:00
  • Purchases: 6
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Recently my Catalina Sky Survey teammate Carson Fuls discovered his third comet, Comet C/2018 R4 (Fuls). It is now on its way back into deep space...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KKRN and more


  • Added: Oct 11, 2018
  • Length: 02:00
  • Purchases: 6
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Asteroid Hunters keep careful track of nearly 2,000 Potentially Hazardous Asteroids [PHAs] to make sure that they are no threat to humanity. The re...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KUPR low power FM and more


  • Added: Oct 05, 2018
  • Length: 02:00
  • Purchases: 6
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A small space rock is spotted 4 days before it came very close to the Earth and our Moon.

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KUPR low power FM and more


  • Added: Oct 05, 2018
  • Length: 02:00
  • Purchases: 6
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What asteroid hunters fear is that a small space rock capable of injuring people and damaging buildings is heading our way and that we will not fin...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KUPR low power FM and more


  • Added: Sep 28, 2018
  • Length: 02:00
  • Purchases: 8