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 811,000 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.


794 Pieces

Order by: Newest First | Oldest First
141-Sailing the Cosmos
From: Albert Grauer
Series: Travelers In The Night
Piece image
The Planetary Society is testing and deploying a small satellite to explore the use of solar sails in space.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KKRN and more


  • Added: Apr 23, 2015
  • Length: 02:00
  • Purchases: 7
142-Planetary Defense
From: Albert Grauer
Series: Travelers In The Night
Piece image
People are seriously preparing for the discovery that an asteroid is on a collision course with planet Earth.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KKRN and more


  • Added: Apr 23, 2015
  • Length: 02:00
  • Purchases: 7
143-Busy Little One
From: Albert Grauer
Series: Travelers In The Night
Piece image
A small asteroid has paid numerous visits to the vicinity of the Earth, Mars, and our Moon.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KKRN and more


  • Added: Apr 30, 2015
  • Length: 02:00
  • Purchases: 7
144-One Of A Million
From: Albert Grauer
Series: Travelers In The Night
Piece image
There are millions of small space rocks which come near the Earth. Here is the story of one of them.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KMXT and more


  • Added: Apr 30, 2015
  • Length: 02:00
  • Purchases: 6
145-Near Earth and Moon
From: Albert Grauer
Series: Travelers In The Night
Piece image
This discovery demonstrates the fact that the asteroid hunting community has the ability to detect small objects before they make their closest app...

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KMXT and more


  • Added: May 07, 2015
  • Length: 02:00
  • Purchases: 6
146-Stuff of Life
From: Albert Grauer
Series: Travelers In The Night
Piece image
Astronomers, using a powerful radio telescope in Chile, have discovered that the building blocks of life are present in baby solar systems.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KMXT and more


  • Added: May 07, 2015
  • Length: 02:00
  • Purchases: 6
147-High Traffic Area
From: Albert Grauer
Series: Travelers In The Night
Piece image
The asteroid hunting community has discovered more than 2000 small space rocks which can approach to less than our Moon's distance from planet Earth.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KMXT and more


  • Added: May 15, 2015
  • Length: 02:00
  • Purchases: 6
148-Radio Eyes
From: Albert Grauer
Series: Travelers In The Night
Piece image
If you woke up tomorrow with eyes sensitive to radio waves, you would be in for some interesting surprises.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KKRN and more


  • Added: May 15, 2015
  • Length: 02:00
  • Purchases: 7
149-Near Venus to Past Jupiter
From: Albert Grauer
Series: Travelers In The Night
Piece image
A potentially hazardous asteroid has been found which travels on a path which is quite different from most other asteroids.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KREV-LP, KALH and more


  • Added: May 21, 2015
  • Length: 02:00
  • Purchases: 6
150-How Big It Is
From: Albert Grauer
Series: Travelers In The Night
Piece image
For most asteroids our size estimates come from its brightness in the night sky.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KMXT and more


  • Added: May 21, 2015
  • Length: 02:00
  • Purchases: 7
151-A Climate Changer
From: Albert Grauer
Series: Travelers In The Night
Piece image
Large asteroids which impact the Earth can cause global change.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KKRN, KALH and more


  • Added: May 28, 2015
  • Length: 02:00
  • Purchases: 7
152-Big and Bad
From: Albert Grauer
Series: Travelers In The Night
Piece image
In the space of a couple of days the Catalina Sky Survey found 3 potentially dangerous asteroids.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KMXT and more


  • Added: May 28, 2015
  • Length: 02:00
  • Purchases: 6
153-Alien Invaders
From: Albert Grauer
Series: Travelers In The Night
Piece image
The most likely alien invaders are microorganisms which humans may export from or import to Earth's biosphere.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KENW and more


  • Added: Jun 04, 2015
  • Length: 02:00
  • Purchases: 6
154-100 Years Of Data
From: Albert Grauer
Series: Travelers In The Night
Piece image
Soon it will be possible to study changes in the Universe which have occurred over the past 100 years.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, KENW and more


  • Added: Jun 04, 2015
  • Length: 02:00
  • Purchases: 7
155-Full Moon
From: Albert Grauer
Series: Travelers In The Night
Piece image
For some people the full Moon is for howling. For asteroid hunters it is time to regroup and make improvements in the process of finding Earth app...

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, and KENW


  • Added: Jun 11, 2015
  • Length: 02:00
  • Purchases: 5
156-8 Close Ones
From: Albert Grauer
Series: Travelers In The Night
Piece image
In the space of less than ten nights, my Catalina Sky Survey teammates discovered 8 new Earth approaching objects. One of them can pass closer to ...

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, and KENW


  • Added: Jun 11, 2015
  • Length: 02:00
  • Purchases: 5
157-Kissing Frogs
From: Albert Grauer
Series: Travelers In The Night
Piece image
An asteroid hunter literally has to sort through millions of objects to find an unknown Earth approaching asteroid.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, and KENW


  • Added: Jun 18, 2015
  • Length: 02:00
  • Purchases: 5
158-Know A Star
From: Albert Grauer
Series: Travelers In The Night
Piece image
Discover the American Association of Variable Star Observers and come to know more about a particular star than anyone else on Earth.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, and KENW


  • Added: Jun 18, 2015
  • Length: 02:00
  • Purchases: 5
159-Good News
From: Albert Grauer
Series: Travelers In The Night
Piece image
Asteroid hunters are starting to discover nearby objects before they make their closest approach to planet Earth.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, and KENW


  • Added: Jun 26, 2015
  • Length: 02:00
  • Purchases: 5
160-ALMA Spots Juno
From: Albert Grauer
Series: Travelers In The Night
Piece image
Astronomers now have the ability to detect the faint glow from asteroids and other solar system objects.

Bought by KRSC, KBMF 102.5FM Butte, Montana, Radio Newark, KALH, and KENW


  • Added: Jun 26, 2015
  • Length: 02:00
  • Purchases: 5

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