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 4,850 PRX free purchases as well as more than 720,000 downloads 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 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.


712 Pieces

Order by: Newest First | Oldest First
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My Catalina Sky Survey teammate Kacper Wierzchos was asteroid hunting with our 60 inch telescope on Mt. Lemmon, Arizona when he spotted a fuzzy obj...

Bought by Allegheny Mountain Radio, WLPR , KENW, KSFR, Harford Community Radio and more


  • Added: Jun 06, 2020
  • Length: 02:00
  • Purchases: 9
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Due to thoughtless outdoor night lighting on the surface and satellites in space the natural night sky is becoming a vanishing treasure. From cli...

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


  • Added: May 29, 2020
  • Length: 02:00
  • Purchases: 10
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One of the perks of being an asteroid hunter is to discover a comet and have it carry your name. Teddy's first comet discovery is a member of a gr...

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


  • Added: May 21, 2020
  • Length: 02:00
  • Purchases: 7
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Noctilucent Clouds exist at more than 50 miles above the Earth's surface or about 4 times higher than the tops of the most intense tropical thunder...

Bought by Allegheny Mountain Radio, Allegheny Mountain Radio, KUFM - Montana Public Radio, KENW, KKRN and more


  • Added: May 14, 2020
  • Length: 02:00
  • Purchases: 8
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The International Asteroid Warning Network, or IWAN (Eye-Whan) for short has been established to link scientists who are discovering, monitoring, a...

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


  • Added: May 09, 2020
  • Length: 02:00
  • Purchases: 7
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From 1663 to 2011, seven comets had close encounters with Jupiter and two had close encounters with Saturn. In May of 1936, Comet P/2020 F1 Leonar...

Bought by Allegheny Mountain Radio, Allegheny Mountain Radio, KENW, KSFR, KKRN and more


  • Added: May 02, 2020
  • Length: 02:00
  • Purchases: 7
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Images of the quiet Sun during a solar minimum make it look like a relatively static peaceful place. Occasionally during solar minimum, at the Cosm...

Bought by Allegheny Mountain Radio, KRZA, KTAL-LP [Las Cruces Community Radio], Allegheny Mountain Radio, KENW and more


  • Added: Apr 24, 2020
  • Length: 02:00
  • Purchases: 9
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My Catalina Sky Survey teammate David Rankin was observing in the constellation of Ursae Major with our 60 inch telescope on Mt. Lemmon, Arizona wh...

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


  • Added: Apr 17, 2020
  • Length: 02:00
  • Purchases: 6
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My Catalina Sky Survey teammates Kacper Wierzchos and Teddy Pruyne were asteroid hunting in the constellation of Virgo with our 60 inch telescope w...

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


  • Added: Apr 10, 2020
  • Length: 02:00
  • Purchases: 6
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My Catalina Sky Survey teammate David Rankin was asteroid hunting in the constellation of Virgo when he spotted a fuzzy ball with a tail moving thr...

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


  • Added: Apr 03, 2020
  • Length: 02:00
  • Purchases: 8
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Elizabeth William graduated from MIT in 1903 as one of the top students in physics and mathematics. As the head "human computer" at Lowell Observat...

Bought by Allegheny Mountain Radio, Allegheny Mountain Radio, KENW, WAMC Northeast Public Radio, KSFR and more


  • Added: Mar 26, 2020
  • Length: 02:00
  • Purchases: 10
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Asteroids which approach Earth from inside of our orbit about the Sun are often difficult to discover and may represent a unique threat to our home...

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


  • Added: Mar 20, 2020
  • Length: 02:00
  • Purchases: 8
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The hunt is on for Earth like planets which are close enough for us to study in detail. The NASA Transiting Exoplanet Survey Satellite, or TESS for...

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


  • Added: Mar 13, 2020
  • Length: 02:00
  • Purchases: 7
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On his first night of solo observing with our Schmidt telescope on Mt. Bigelow, Arizona, my Catalina Sky Survey teammate Kacper Wierzchos discovere...

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


  • Added: Mar 06, 2020
  • Length: 02:00
  • Purchases: 8
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SpaceX's new rockets fuel the dream of visiting some of the planet Mars' unique and spectacular wonders. Today you can visit the NASA Mars Curiosit...

Bought by Allegheny Mountain Radio, Allegheny Mountain Radio, KENW, Harford Community Radio, WTIP and more


  • Added: Feb 27, 2020
  • Length: 02:00
  • Purchases: 7
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Assuming the first potentially hazardous asteroid of 2020 has a chemical composition similar to the stony meteorites we find on Earth, it could co...

Bought by Allegheny Mountain Radio, KENW, Harford Community Radio, WTIP, KKRN and more


  • Added: Feb 23, 2020
  • Length: 02:00
  • Purchases: 6
Caption: Comet P/2019 Y2 (Fuls) Imaged with the 40" telescope on Mt. Lemmon, Arizona with bias rates equal to the comet motion. It is 4-60 second exposures co-added together. The stars appear as trails since the telescope was tracking the comet., Credit:  Catalina Sky Survey/NASA/Lunar and Planetary Laboratory/University of Arizona
My Catalina Sky Survey teammate Carson Fuls was asteroid hunting in the constellation of Leo when he spotted a faint fuzzy looking object with a ta...

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


  • Added: Feb 14, 2020
  • Length: 02:00
  • Purchases: 7
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A recently discovered asteroid spends most of its time high above the plane of the solar system far from our Sun. Unknown asteroids on such a path...

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


  • Added: Feb 05, 2020
  • Length: 02:00
  • Purchases: 5
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Recently my Catalina Sky Survey teammate Teddy Pruyne, discovered a potentially dangerous and perhaps valuable asteroid with our 60 inch telescope ...

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


  • Added: Jan 31, 2020
  • Length: 02:00
  • Purchases: 5
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In 2019, asteroid hunters set a new record by discovering 2,433 Earth approaching objects including 85 which could potentially become a threat to p...

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


  • Added: Jan 23, 2020
  • Length: 02:00
  • Purchases: 7