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 4,950 PRX free purchases as well as more than 734,000 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.


721 Pieces

Order by: Newest First | Oldest First
722-Close(509)
From: Al Grauer
Series: Travelers In The Night
Caption: Artists Conception: Asteroids Around Vega, Credit: NASA
Until recently the discovery of very close approaching asteroids was rare, however, due to improvements in telescopes, cameras, and computers aster...

Bought by KICI Iowa City


  • Added: Nov 27, 2022
  • Length: 02:00
  • Purchases: 1
721-Eric’s Night(507)
From: Al Grauer
Series: Travelers In The Night
Caption: Artist Conception , Credit: Getty Images
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 ha...

Bought by KICI Iowa City, KTAL-LP [Las Cruces Community Radio], RADIOLEX, KRWG, and KKRN


  • Added: Nov 20, 2022
  • Length: 02:00
  • Purchases: 5
720-Large PHA(506)
From: Al Grauer
Series: Travelers In The Night
Caption: Vesta, Credit: NASA
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 KTAL-LP [Las Cruces Community Radio], Raven Radio, WTIP, RADIOLEX, KRWG and more


  • Added: Nov 13, 2022
  • Length: 02:00
  • Purchases: 7
719-What A Night(505)
From: Al Grauer
Series: Travelers In The Night
Caption: Artist's Conception Benu and Asteroids, Credit: NASA
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 WTIP, KICI Iowa City, Raven Radio, KTAL-LP [Las Cruces Community Radio], RADIOLEX and more


  • Added: Nov 06, 2022
  • Length: 02:00
  • Purchases: 7
718-Vulcan(504)
From: Al Grauer
Series: Travelers In The Night
Caption: Artist Conception , Credit: Don Davis (University of Florida)
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 KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX, KGLP, KICI Iowa City and more


  • Added: Oct 30, 2022
  • Length: 02:00
  • Purchases: 7
717-Fulls II(503)
From: Al Grauer
Series: Travelers In The Night
Caption: Comet Nucleus, Credit: NASA
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 KGLP, KICI Iowa City, KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX and more


  • Added: Oct 23, 2022
  • Length: 02:00
  • Purchases: 8
716-Pair of PHAs(502)
From: Al Grauer
Series: Travelers In The Night
Caption: Ida and Gaspra, Credit: NASA
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 KGLP, KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX, KKRN and more


  • Added: Oct 16, 2022
  • Length: 02:00
  • Purchases: 7
715-Carson’s Night(501)
From: Al Grauer
Series: Travelers In The Night
Caption: Artists Conception Asteroid and Earth, Credit: ESA
A small space rock is spotted 4 days before it came very close to the Earth and our Moon.

Bought by KGLP, KICI Iowa City, KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX and more


  • Added: Oct 09, 2022
  • Length: 02:00
  • Purchases: 8
714-Why Look(500)
From: Al Grauer
Series: Travelers In The Night
Caption: Ida, Credit: NASA
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 KGLP, KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX, KRWG and more


  • Added: Oct 02, 2022
  • Length: 02:00
  • Purchases: 7
713-Oppy(499)
From: Al Grauer
Series: Travelers In The Night
Caption: Opportunity Rover, Credit: NASA
The NASA Mars Opportunity Rover, nicked named Oppy by those who operate and love it ,was designed to last 90 days on the Martian surface but has co...

Bought by KTAL-LP [Las Cruces Community Radio], KICI Iowa City, KGLP, RADIOLEX, Raven Radio and more


  • Added: Sep 25, 2022
  • Length: 02:00
  • Purchases: 7
712-Tiny Traveler(498)
From: Al Grauer
Series: Travelers In The Night
Piece image
Although small space rocks pose no threat to humans, they are an interesting part of our environment, offer a chance for asteroid hunters to develo...

Bought by KGLP, Raven Radio, RADIOLEX, WTIP, KKRN and more


  • Added: Sep 18, 2022
  • Length: 02:00
  • Purchases: 7
711-First One(497)
From: Al Grauer
Series: Travelers In The Night
Caption: HST-Galaxies, Credit: NASA
Asteroid hunters were able to discover a small Earth approaching asteroid after 57 nights of continuous rain and clouds.

Bought by KGLP, KICI Iowa City, RADIOLEX, KKRN, Raven Radio and more


  • Added: Sep 11, 2022
  • Length: 02:00
  • Purchases: 7
710-Boomer(496)
From: Al Grauer
Series: Travelers In The Night
Caption: Fireball, Credit: Arne Danielsen
The fireball meteor streaking across the sky the early evening of January 17, 2018, witnessed by 700 observers in 11 States and Canada was also rec...

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


  • Added: Sep 04, 2022
  • Length: 02:00
  • Purchases: 6
709-Catching Asteroids(495)
From: Al Grauer
Series: Travelers In The Night
Caption: Chariklo, Credit: NASA
It might be possible to catch an asteroid, place it into Earth orbit, and thus provide a ready source of precious metals and water for space coloni...

Bought by KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX, WTIP, KGLP and more


  • Added: Aug 28, 2022
  • Length: 02:00
  • Purchases: 7
708-Guard Down(494)
From: Al Grauer
Series: Travelers In The Night
Caption: Earth, Credit: NASA
In 2018, July and August were cloudy and rainy in both Arizona and Hawaii sidelining the worlds two most productive asteroid hunting surveys. A cos...

Bought by KGLP, KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX, WTIP and more


  • Added: Aug 21, 2022
  • Length: 02:00
  • Purchases: 8
707-Ringed Dynamo(493)
From: Al Grauer
Series: Travelers In The Night
Caption: Saturn, Credit: NASA
Even though humans have been aware of the planet Saturn from from the dawn of history this beautiful object still offers mysteries for us to explore.

Bought by KGLP, KICI Iowa City, KTAL-LP [Las Cruces Community Radio], Raven Radio, WTIP and more


  • Added: Aug 14, 2022
  • Length: 02:00
  • Purchases: 8
706-Wonders to Behold(492)
From: Al Grauer
Series: Travelers In The Night
Caption: M107, Credit: HST-NASA
From the time 3 million years ago that our ancestor Lucy walked in what is now Ethiopia until the widespread use of electric lighting began in the ...

Bought by KGLP, WTIP, RADIOLEX, Raven Radio, KKRN and more


  • Added: Aug 07, 2022
  • Length: 02:00
  • Purchases: 8
705-One Half Inch(491)
From: Al Grauer
Series: Travelers In The Night
Caption: Hubble Image. Sharp star images., Credit: NASA
Fuzzy, spread out, asteroid images due to atmospheric and or equipment produced distortions can cause important objects to slip through an asteroid...

Bought by KGLP, KICI Iowa City, RADIOLEX, KRWG, and KKRN


  • Added: Jul 31, 2022
  • Length: 02:00
  • Purchases: 5
704-Mini-Moons(490)
From: Al Grauer
Series: Travelers In The Night
Caption: Earth Captures Mini-Moon, Credit: K. Teramura UHIFA
There are likely to be hundreds smaller than softball sized and perhaps several dozen football to beachball sized, natural Earth mini moons, which ...

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


  • Added: Jul 24, 2022
  • Length: 02:00
  • Purchases: 6
703-Martian Water(489)
From: Al Grauer
Series: Travelers In The Night
Caption: Mars, Credit: NASA
Exciting new research indicates that there could be a lake of liquid water beneath the south Martian polar cap. Further research will be required t...

Bought by KGLP, KTAL-LP [Las Cruces Community Radio], RADIOLEX, KICI Iowa City, WTIP and more


  • Added: Jul 17, 2022
  • Length: 02:00
  • Purchases: 7

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