Travelers In The Night

Series produced by Albert 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 6,100 PRX free purchases as well as more than 812,000 downloads on the internet. It has been aired on 59 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.


796 Pieces

Order by: Newest First | Oldest First
662-Earth's Pet Rock(408)
From: Albert Grauer
Series: Travelers In The Night
Caption: Asteroid Eros, Credit: NASA
On it's gravitational leash, Earth's pet space rock, 2016 HO3, accompanies us at a distance of between 38 and 100 times the Moon's distance from Ea...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP and more


  • Added: Oct 03, 2021
  • Length: 02:00
  • Purchases: 10
663-Alien Rock?(409)
From: Albert Grauer
Series: Travelers In The Night
Caption: Asteroid Illustration, Credit: NASA/JPL-Caltech
A rock from another solar system is likely to have streaked by Earth before heading back into interstellar space.

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP and more


  • Added: Oct 10, 2021
  • Length: 02:00
  • Purchases: 10
664-Extraterrestrial Whales(410)
From: Albert Grauer
Series: Travelers In The Night
Caption: Europa, Credit: NASA
Perhaps the reason that we have not detected alien civilizations on distant worlds is because they exist in oceans covered by miles of radiation ab...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, Harford Community Radio and more


  • Added: Oct 17, 2021
  • Length: 02:00
  • Purchases: 11
665-Odd Ball(416)
From: Albert Grauer
Series: Travelers In The Night
Caption: Asteroid Shattering, Credit: NASA
A small asteroid soars into the lonely space high above and below the plane of our solar system.

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP and more


  • Added: Oct 24, 2021
  • Length: 02:00
  • Purchases: 10
666-Red Dwarf Planets(417)
From: Albert Grauer
Series: Travelers In The Night
Caption: Gliese 887C, Credit: Mark Garlick/ University of Göttingen
Earth like planets are being discovered circling the most common type of star in our neighborhood of the Milky Way galaxy.

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP and more


  • Added: Oct 31, 2021
  • Length: 02:00
  • Purchases: 11
667-ET's Cigar(419)
From: Albert Grauer
Series: Travelers In The Night
Caption: Artist's concept of interstellar object1I/2017 U1 ('Oumuamua) as it passed through the solar system after its discovery in October 2017. The aspect ratio of up to 10:1 is unlike that of any object seen in our own solar system., Credit: European Southern Observatory / M. Kornmesser
The first alien object to observed visiting our solar system arrives from truly deep space and leaves us with the mystery of what it is and how it ...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP and more


  • Added: Nov 07, 2021
  • Length: 02:00
  • Purchases: 11
668-Dry Sands(420)
From: Albert Grauer
Series: Travelers In The Night
Caption: Mars, Credit: NASA
Intriguing features which change with the Martian seasons mimic flows of liquid water on the Earth's surface.

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP and more


  • Added: Nov 14, 2021
  • Length: 02:00
  • Purchases: 11
669-Seeds(356)
From: Albert Grauer
Series: Travelers In The Night
Caption: Voyager Leaving Solar System, Credit: NASA
What plant seeds will be left for interstellar travelers to take with them?

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP and more


  • Added: Nov 21, 2021
  • Length: 02:00
  • Purchases: 12
670-Laser Surfing(364)
From: Albert Grauer
Series: Travelers In The Night
Caption: Laser Sail, Credit: Project Breakthrough
Laser propelled ultra light space probes could be sent to explore nearby worlds.

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, RADIOLEX and more


  • Added: Nov 28, 2021
  • Length: 02:00
  • Purchases: 11
671-Long Winter Nights(424)
From: Albert Grauer
Series: Travelers In The Night
Caption: Mt. Lemmon, AZ snow storm, Credit: A.D. Grauer
Long Winter nights with good seeing, from start to finish, are those on which the asteroid hunter makes new discoveries while being treated to view...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, KICI Iowa City and more


  • Added: Dec 05, 2021
  • Length: 02:00
  • Purchases: 11
672-Meteor Whispers(427)
From: Albert Grauer
Series: Travelers In The Night
Caption: Fireball Exploding, Credit: NASA
Recent scientific studies have begun to shed light on the interesting mystery of how the small number of what we now call electrophonic meteors pro...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, RADIOLEX and more


  • Added: Dec 12, 2021
  • Length: 02:00
  • Purchases: 10
673-Christmas Comet(437)
From: Albert Grauer
Series: Travelers In The Night
Caption: Halley's Comet, Credit: NASA
On December 25, 2017, while searching for Earth approaching asteroids in the constellation of Virgo, the Universe gave my Catalina Sky Survey team...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, WTIP, KKRN and more


  • Added: Dec 19, 2021
  • Length: 02:00
  • Purchases: 8
674-Asteroid Homestead(446)
From: Albert Grauer
Series: Travelers In The Night
Caption: Asteroid Mining, Credit: NASA
In the future one can envision a space mining family boarding a descendent of the SpaceX Falcon Heavy Launch Vehicle for a trip into low Earth orb...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, RADIOLEX and more


  • Added: Dec 25, 2021
  • Length: 02:00
  • Purchases: 8
675-Nuking An Asteroid(447)
From: Albert Grauer
Series: Travelers In The Night
Caption: Artists Conception, Credit: Dan Durda
Tonight, even though the chances are extremely slim, an asteroid hunter could find a sizable asteroid on a collision course with planet Earth. If w...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, KICI Iowa City and more


  • Added: Jan 02, 2022
  • Length: 02:00
  • Purchases: 12
676-Cloud 7(449)
From: Albert Grauer
Series: Travelers In The Night
Caption: Asteroids and Earth, Credit: ESA:P. Carril
To give you an idea of the asteroid traffic in our neighborhood, on a mostly cloudy night, through holes in the clouds, in a space of less than 2 h...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, KICI Iowa City and more


  • Added: Jan 09, 2022
  • Length: 02:00
  • Purchases: 10
677-30 Years of Fireballs(457)
From: Albert Grauer
Series: Travelers In The Night
Caption: 30 years of fireballs, Credit: NASA
Fireballs are meteors which become brighter than the planet Venus and can sometimes be seen in the daytime. If you are lucky to see a fireball send...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, RADIOLEX and more


  • Added: Jan 16, 2022
  • Length: 02:00
  • Purchases: 11
678-Greg's Comet(425)
From: Albert Grauer
Series: Travelers In The Night
Caption: Comet Lovejoy, Credit: NASA
Greg's comet comes into our neighborhood once per human lifetime and spends most of it's time in the lonely space high above or far below the rest ...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, WTIP, KGLP and more


  • Added: Jan 22, 2022
  • Length: 02:00
  • Purchases: 10
679-Hammer(453)
From: Albert Grauer
Series: Travelers In The Night
Caption: Artist's illustration of NASA's Double Asteroid Redirection Test (DART) which will crash into the asteroid Didymos., Credit: NASA/John Hopkins University/Cov
When Asteroid Hunters find a relatively large asteroid on a collision course with planet Earth, the challenge is to change its path to make it miss...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, RADIOLEX, WTIP and more


  • Added: Jan 30, 2022
  • Length: 02:00
  • Purchases: 9
680-Comets and Asteroids(454)
From: Albert Grauer
Series: Travelers In The Night
Caption: Fragments of the Sutter’s Mill meteorite fall collected by NASA Ames and SETI Institute meteor astronomer Peter Jenniskens in the evening of Tuesday April 24, 2012, two days after the fall. This was the second recovered find., Credit: NASA Ames/Eric James
If you set your mind to it, you can find and hold a sample of an asteroid, called a meteorite, which has landed on the Earth's surface. On the othe...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, RADIOLEX and more


  • Added: Feb 06, 2022
  • Length: 02:00
  • Purchases: 10
681-17,000 to Go(455)
From: Albert Grauer
Series: Travelers In The Night
Caption: NEO Surveyor will be based on NEOCam (above), a finalist in the previous round of the Discovery program, and will feature an infrared telescope to look for near Earth objects., Credit: Credit: NASA/JPL
So far asteroid hunters have discovered about 8,000 of the 25,000, large, potentially hazardous asteroids, suspected to exist, leaving 17,000 more ...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, WTIP and more


  • Added: Feb 13, 2022
  • Length: 02:00
  • Purchases: 9

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