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 6,525 PRX free purchases as well as more than 827,000 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.


813 Pieces

Order by: Newest First | Oldest First
654-Night Vision (401)
From: Albert Grauer
Series: Travelers In The Night
Piece image
Experience the wonders of the Universe first hand using your night vision.

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


  • Added: Aug 07, 2021
  • Length: 02:00
  • Purchases: 11
653-Biggest Ear (300)
From: Albert Grauer
Series: Travelers In The Night
Piece image
China's new big ear will be the most sensitive receiver to search for signals from alien civilizations.

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


  • Added: Jul 31, 2021
  • Length: 02:00
  • Purchases: 11
652-Our Number(314)
From: Albert Grauer
Series: Travelers In The Night
Piece image
Recently my Catalina Sky Survey teammate Greg Leonard discovered, 2016 WJ1, a relatively large asteroid which can come close but will not hit the E...

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


  • Added: Jul 25, 2021
  • Length: 02:00
  • Purchases: 11
651-Spotting Meteors(397)
From: Albert Grauer
Series: Travelers In The Night
Caption: Falling from Space, Credit: NASA/Bill Dunford
Meteors, shooting stars, or falling stars are different names for the streaks of light in the night sky which are in reality the dying embers of ti...

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


  • Added: Jul 17, 2021
  • Length: 02:00
  • Purchases: 11
650-Jupiter(396)
From: Albert Grauer
Series: Travelers In The Night
Caption: Jupiter, Credit: NASA
Jupiter has been observed throughout human history and is so bright that you can even spot it under the artificial light dome of one of our cities....

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


  • Added: Jul 11, 2021
  • Length: 02:00
  • Purchases: 11
649-30 Days of Traffic
From: Albert Grauer
Series: Travelers In The Night
Piece image
During a recent 30 day period asteroid hunters spotted 88 small space rocks passing through our neighborhood. Their diameters ranged from the leng...

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


  • Added: Jul 03, 2021
  • Length: 02:00
  • Purchases: 10
648-Smoky Nights
From: Albert Grauer
Series: Travelers In The Night
Caption: Smith Telescope McDonald Observatory, Credit: McDonald Observatory
Until recently smoky nights at the observatory were rare. Now they have become more common place as wild fires continue to devastate portions of th...

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


  • Added: Jun 27, 2021
  • Length: 02:00
  • Purchases: 11
647-Vigilance
From: Albert Grauer
Series: Travelers In The Night
Piece image
A break in the weather provides the opportunity to discover an Earth approaching object.

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


  • Added: Jun 20, 2021
  • Length: 02:00
  • Purchases: 13
646-Young Martian Volcanoes
From: Albert Grauer
Series: Travelers In The Night
Caption: Recent explosive volcanic deposit around a fissure of the Cerberus Fossae system. , Credit: NASA/JPL/MSSS/The Murray Lab
Relatively recent volcanic activity observed on Mars suggests that where subsurface martian magma and frozen water meet is where microbial life cou...

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


  • Added: Jun 13, 2021
  • Length: 02:00
  • Purchases: 11
645-Shrinking Stratosphere
From: Albert Grauer
Series: Travelers In The Night
Caption: A view of Earth's atmosphere., Credit: NASA
As a result of human caused increases in green house gases the troposphere is expanding and the stratosphere is shrinking. Between 1980 and 2018 t...

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


  • Added: Jun 04, 2021
  • Length: 02:00
  • Purchases: 12
644-Tracking Meteoroids
From: Albert Grauer
Series: Travelers In The Night
Piece image
A team of astronomers find that as many as 14 comets which came to less than 4 times the Moon's distance from us as long as 4,000 years ago are de...

Bought by KCHW, KENW, Simply Beautiful, Allegheny Mountain Radio, KRZA and more


  • Added: May 29, 2021
  • Length: 02:00
  • Purchases: 10
643-Space Vehicles
From: Albert Grauer
Series: Travelers In The Night
Caption: SpaceX Starship, Credit: SpaceX
New Rocket engines will revolutionize space travel to the Moon and Mars.

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


  • Added: May 22, 2021
  • Length: 02:00
  • Purchases: 10
642-Vesta Fragment
From: Albert Grauer
Series: Travelers In The Night
Caption: The Asteroid Vesta, Credit: NASA
An impacting object hit the asteroid Vesta making a 10 mile diameter crater and in the process blasted loose fragments which have been orbiting th...

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


  • Added: May 16, 2021
  • Length: 02:00
  • Purchases: 10
641-Backyard Astronomy
From: Albert Grauer
Series: Travelers In The Night
Caption: Hubble Image, Credit: NASA
In March and April every year amateur astronomers, around the world, in Messier Marathons, attempt to view all of 110 objects in the Messier cata...

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


  • Added: May 08, 2021
  • Length: 02:00
  • Purchases: 11
640-Rocks or Rockets
From: Albert Grauer
Series: Travelers In The Night
Piece image
Asteroid hunters have discovered a curious object. It appears likely to be either a rock ejected from the Moon or a piece of space junk from a hu...

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


  • Added: May 02, 2021
  • Length: 02:00
  • Purchases: 11
639-Earth Approachers
From: Albert Grauer
Series: Travelers In The Night
Piece image
During a recent 60 day period asteroid hunters discovered 29 space rocks as they passed closer to us than the Moon. These small asteroids averaged...

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


  • Added: Apr 24, 2021
  • Length: 02:00
  • Purchases: 11
638-Methane
From: Albert Grauer
Series: Travelers In The Night
Caption: Artist’s conception of early Earth after several large asteroid impacts, moving magma on to the surface. , Credit: Simone Marchi/SwRI
How ET could know there is life on Earth.

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


  • Added: Apr 18, 2021
  • Length: 02:00
  • Purchases: 11
637-Martian Dust
From: Albert Grauer
Series: Travelers In The Night
Caption: Zodiacal Light and Mars , Credit: Joshua Rhoades
After sunset in the spring and before sunrise in the fall, at a natural night sky location like the Cosmic Campground International Dark Sky Sanctu...

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


  • Added: Apr 11, 2021
  • Length: 02:00
  • Purchases: 11
636-90 Inch
From: Albert Grauer
Series: Travelers In The Night
Caption: 90 Inch Bok Telescope, Credit: Steward Observatory
On Kitt Peak in Arizona, the Steward Observatory's Bok telescope's 90 inch light collecting mirror enables the discovery, study, and tracking of sp...

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


  • Added: Apr 02, 2021
  • Length: 02:00
  • Purchases: 11
635-Exploring Mars
From: Albert Grauer
Series: Travelers In The Night
Caption: This artist's concept depicts NASA's Mars 2020 rover on the surface of Mars., Credit: NASA/JPL-Caltech
We are lucky to be alive in an age when anyone with an internet connection can participate in the exploration of Mars. Your unique brain-eye combi...

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


  • Added: Mar 26, 2021
  • Length: 02:00
  • Purchases: 11

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