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 3,550 PRX free purchases as well as 523,000 downloads and plays with 28,000 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.


583 Pieces

Order by: Newest First | Oldest First
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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 WYAP and WLPR


  • Added: Apr 03, 2020
  • Length: 02:00
  • Purchases: 2
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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 WLPR, Harford Community Radio, KKRN, and KRWG


  • Added: Mar 26, 2020
  • Length: 02:00
  • Purchases: 4
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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 WLPR, Harford Community Radio, WTIP, KRWG, KKRN and more


  • Added: Mar 20, 2020
  • Length: 02:00
  • Purchases: 6
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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 WLPR, Harford Community Radio, WTIP, KKRN, and KRWG


  • Added: Mar 13, 2020
  • Length: 02:00
  • Purchases: 5
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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 WLPR, Harford Community Radio, WTIP, KRWG, KKRN and more


  • Added: Mar 06, 2020
  • Length: 02:00
  • Purchases: 6
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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 Harford Community Radio, WTIP, KKRN, and KRWG


  • Added: Feb 27, 2020
  • Length: 02:00
  • Purchases: 4
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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 Harford Community Radio, WTIP, KKRN, and KRWG


  • Added: Feb 23, 2020
  • Length: 02:00
  • Purchases: 4
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 WTIP, KSFR, KRWG, and KKRN


  • Added: Feb 14, 2020
  • Length: 02:00
  • Purchases: 4
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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 WTIP, KKRN, and KRWG


  • Added: Feb 05, 2020
  • Length: 02:00
  • Purchases: 3
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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 WTIP, KKRN, and KRWG


  • Added: Jan 31, 2020
  • Length: 02:00
  • Purchases: 3
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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 KRZA, KKRN, KRWG, WLPR, and WTIP


  • Added: Jan 23, 2020
  • Length: 02:00
  • Purchases: 5
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Over the past 50 years, in the interior of Australian meteorites, scientists have discovered a large variety of extraterrestrial organic substances...

Bought by WLPR, WTIP, KRWG, and KKRN


  • Added: Jan 18, 2020
  • Length: 02:00
  • Purchases: 4
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Recently, my Catalina Sky Survey teammate David Rankin's backyard all sky camera in Tucson, Arizona recorded a brilliant fireball meteor which took...

Bought by WLPR, WTIP, KSFR, KRWG, and KKRN


  • Added: Jan 09, 2020
  • Length: 02:00
  • Purchases: 5
Caption: Comet Neat, Credit: NASA/NOAO/NSF/T. Rector/Z. Levay/L.Frattare
My Catalina Sky Survey teammate Hannes Groeller was asteroid hunting, in the constellation of Hydra, with our 60 inch telescope on Mt. Lemmon, Ariz...

Bought by WTIP, KRWG, KKRN, WLPR, and KSFR


  • Added: Jan 02, 2020
  • Length: 02:00
  • Purchases: 5
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Recently a group of high inclination asteroids hiding in Jupiter's shadow have been identified. Encounters with the giant planet's gravity could c...

Bought by WTIP, WLPR, KRWG, and KKRN


  • Added: Dec 28, 2019
  • Length: 02:00
  • Purchases: 4
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Recent findings, published in the Journal of Geophysical Research suggests that there is more water locked in the minerals of nearby asteroids, whi...

Bought by WLPR, WTIP, KRWG, and KKRN


  • Added: Dec 21, 2019
  • Length: 02:00
  • Purchases: 4
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At its closest point, a small space rock comes to only 1/3 of Mercury's average distance from the solar surface and receives 9 times the amount of...

Bought by WTIP, KSFR, KRWG, KKRN, and WLPR


  • Added: Dec 13, 2019
  • Length: 02:00
  • Purchases: 5
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Nine hours after it was discovered a tiny, 4 foot in diameter, space rock streaked less than 4,000 miles above southern Africa as it passed throug...

Bought by WTIP, KKRN, KSFR, KRWG, and WLPR


  • Added: Dec 06, 2019
  • Length: 02:00
  • Purchases: 5
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October of 2019 was a record breaking month for my team the Catalina Sky Survey during which we discovered 240 Earth approaching asteroids. This di...

Bought by WTIP, WLPR, KRWG, KSFR, and KKRN


  • Added: Nov 29, 2019
  • Length: 02:00
  • Purchases: 5
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In ancient times, Aboriginal people in southwestern Australia quarried fine grained rock on an ancient hill called Barlangi Rock to make very sharp...

Bought by WTIP, WLPR, KRWG, and KKRN


  • Added: Nov 22, 2019
  • Length: 02:00
  • Purchases: 4