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 6,000 PRX free purchases as well as more than 807,000 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.


793 Pieces

Order by: Newest First | Oldest First
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
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
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
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
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
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
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
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
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
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
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
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
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
661-Roving Venus (400)
From: Albert Grauer
Series: Travelers In The Night
Caption: An illustration of a concept for a possible wind-powered Venus rover., Credit: NASA/JPL-Caltech
To survive on Venus where the temperature is 864F and the surface air pressure is 90 times that of Earth, NASA and JPL engineers are exploring the ...

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


  • Added: Sep 26, 2021
  • Length: 02:00
  • Purchases: 10
660-Double Comet (403)
From: Albert Grauer
Series: Travelers In The Night
Caption: Comet Neat observed At Kitt Peak, Credit: NASA
What at first appeared to be an asteroid turned out to be a double comet.

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


  • Added: Sep 19, 2021
  • Length: 02:00
  • Purchases: 10
659-Martian Debris(382)
From: Albert Grauer
Series: Travelers In The Night
Caption: Mars, Credit: NASA
Martian Trojan asteroids have stable orbits around the Sun, leading and trailing the red planet by 60 degrees, where the Sun's and Mars's gravity a...

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


  • Added: Sep 12, 2021
  • Length: 02:00
  • Purchases: 9
658-Fireball II(418)
From: Albert Grauer
Series: Travelers In The Night
Caption: The Phoenix CityCam caught the flash of light around 8:30 p.m. on Nov. 14, 2017, Credit: City of Phoenix
Recently there were four fireball meteors, brighter than the planet Venus, which exploded over Germany, France, Ohio, and Arizona within the space ...

Bought by KENW, Simply Beautiful, WTIP, KGLP, RADIOLEX and more


  • Added: Sep 05, 2021
  • Length: 02:00
  • Purchases: 9
657-Plant Companionship(407)
From: Albert Grauer
Series: Travelers In The Night
Caption: NASA astronaut Peggy Whitson happily displays the progress of the Advanced Astroculture experiment aboard the International Space Station in July 2002., Credit: NASA
On Earth, human life is enabled by plants which provide us with calories, vitamins, fuel, medicines, and oxygen to breathe. In addition, recent sci...

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


  • Added: Aug 29, 2021
  • Length: 02:00
  • Purchases: 10
656-Moons of Florence(399)
From: Albert Grauer
Series: Travelers In The Night
Piece image
The largest asteroid to come near the Earth in 100 years has two moons.

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


  • Added: Aug 22, 2021
  • Length: 02:00
  • Purchases: 10
655-Finding Space Rocks(391)
From: Albert Grauer
Series: Travelers In The Night
Piece image
Finding a meteorite that has traveled billions of miles through space to reach it's present location is exciting. It might even be worth real money.

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


  • Added: Aug 14, 2021
  • Length: 02:00
  • Purchases: 11

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