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 5,600 PRX free purchases as well as more than 782,000 downloads on the internet. It has been aired on 57 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.


763 Pieces

Order by: Newest First | Oldest First
764 Green Airglow
From: Albert Grauer
Series: Travelers In The Night
Caption: Green Airglow Over Colorado, Credit: Aaron Watson
The natural night sky is alive with its own lights. In addition to celestial sources often there is natural night sky airglow powered by space wea...

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


  • Added: Sep 17, 2023
  • Length: 02:00
  • Purchases: 8
763-Hogan’s Big Rock
From: Albert Grauer
Series: Travelers In The Night
Caption: Nucleus Comet Wild-2, Credit: NASA
My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation Sextans with our 60 inch telescope on Mt. Lemmon, Arizona whe...

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


  • Added: Sep 10, 2023
  • Length: 02:00
  • Purchases: 7
762-Kacper’s PHA
From: Albert Grauer
Series: Travelers In The Night
Caption: Asteroid IDA, Credit: NASA
An object like 2023 MN5 impacts Earth once every 90,000 years or so creating a crater 5 miles in diameter an 1800 feet deep in sedimentary rock. 5...

Bought by KTAL-LP [Las Cruces Community Radio], RADIOLEX, KUCR 88.3 fm Riverside, Calif., KKRN, WTIP and more


  • Added: Sep 03, 2023
  • Length: 02:00
  • Purchases: 8
761-Alessandra’s Duo
From: Albert Grauer
Series: Travelers In The Night
Caption: Lunar Impact, Credit: NASA
In less than two hours my Catalina Sky Survey teammate Allesandra Serrano discovered two small fast moving space rocks. Both of them passed through...

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


  • Added: Aug 27, 2023
  • Length: 02:00
  • Purchases: 8
760- Discover an Asteroid
From: Albert Grauer
Series: Travelers In The Night
Caption: Dimorphos, Credit: NASA
Carson Fuls, one of my Catalina Sky Survey teammates, is leading the effort that will allow you to join our NASA funded adventure in asteroid hunt...

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


  • Added: Aug 20, 2023
  • Length: 02:00
  • Purchases: 8
759-Number 7
From: Albert Grauer
Series: Travelers In The Night
Caption: Fireball, Credit: NASA
Hungarian astronomer and geography teacher Krisztián Sárneczky was asteroid hunting in the constellation of Lynx with 0.6m (24 inch) telescope at...

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


  • Added: Aug 13, 2023
  • Length: 02:00
  • Purchases: 9
758-Weird Supernova
From: Albert Grauer
Series: Travelers In The Night
Piece image
An extremely wide field of view camera, the Zwicky Transient Facility, operated by Caltech on Palomar Mountain in California is able to take images...

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


  • Added: Aug 06, 2023
  • Length: 02:00
  • Purchases: 8
757-Alien Signals
From: Albert Grauer
Series: Travelers In The Night
Caption: A hypothetical alien craft transmits radio signals into space. Scientists are on the hunt for signals like these., Credit: Breakthrough Listen / Danielle Futselaar
Project Breakthrough Listen is spending $100 million over 10 years so that radio telescopes can search for signals which may indicate extraterrestr...

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


  • Added: Jul 30, 2023
  • Length: 02:00
  • Purchases: 9
756-Nice PHA
From: Albert Grauer
Series: Travelers In The Night
Caption: Artists conception asteroid Impact 65 million years ago, Credit: NASA (Don Davis)
My Catalina Sky Survey teammate David Rankin was asteroid hunting in the constellation of Cancer with our Schmidt telescope on Mt. Bigelow, Arizon...

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


  • Added: Jul 23, 2023
  • Length: 02:00
  • Purchases: 8
755-Geyser of Life-Maybe
From: Albert Grauer
Series: Travelers In The Night
Caption: Enceladus spews water from cracks in its south polar crust., Credit: NASA/JPL-CALTECH/SPACE SCIENCE INSTITUTE
In 2023 the James Webb Space Telescope spotted a geyser of water vapor extending more than 80% of the Earth’s diameter erupting from Saturn’s moon ...

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


  • Added: Jul 16, 2023
  • Length: 02:00
  • Purchases: 8
754-Very Fast Moving Objects In The Night Sky
From: Albert Grauer
Series: Travelers In The Night
Caption: Artists Conception of Earth and a Small Asteroid, Credit: NASA
Very small fast moving asteroids pass through our solar system.About once a month an object like 2023 KU4 enters our atmosphere, releases the ener...

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


  • Added: Jul 09, 2023
  • Length: 02:00
  • Purchases: 9
753-Impactor Lights Up The Night Sky
From: Albert Grauer
Series: Travelers In The Night
Caption: Time Lapse Image 2022 WJ1, Credit: Image Credit: Dereck Bowen, Brantford Ontario Canada, November 19, 2022 3:26am
My Catalina Sky Survey teammate David Rankin was asteroid hunting in the constellation of Cetus with our 60 inch telescope on Mt. Lemmon, Arizona w...

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


  • Added: Jul 02, 2023
  • Length: 02:00
  • Purchases: 7
752 Lunker
From: Albert Grauer
Series: Travelers In The Night
Caption: Comet Johnson, Credit: Credit: NASA/JPL-Caltech/W. Reach (SSC/Caltech)
My Catalina Sky Survey teammate Jacqueline Fazekas was asteroid hunting , in the evening twilight, with our 60 inch telescope on Mt. Lemmon, Arizo...

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


  • Added: Jun 25, 2023
  • Length: 02:00
  • Purchases: 7
751 Ball Pit
From: Albert Grauer
Series: Travelers In The Night
Caption: Kid In Ball Pit, Credit: WebMD.com
To the amazement of NASA scientists, when the NASA OSIRIS-Rex touched down on the surface of Bennu to obtain a sample, the sample collecting arm...

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


  • Added: Jun 18, 2023
  • Length: 02:00
  • Purchases: 7
750-Asteroid Slam(538)
From: Albert Grauer
Series: Travelers In The Night
Caption: DART, Credit: NASA
Humans are slamming projectiles into space rocks. These experiments will give us the know how to deal with a dangerous space rock which has our num...

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


  • Added: Jun 11, 2023
  • Length: 02:00
  • Purchases: 8
749-Earth Glow(537)
From: Albert Grauer
Series: Travelers In The Night
Caption: Earth Glow, Credit: NASA/ESA
In 1972 Apollo 16 astronauts took an ultraviolet image of the Earth from the Moon which shows that like the Sun ,the Earth too, has a faint corona ...

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


  • Added: Jun 04, 2023
  • Length: 02:00
  • Purchases: 8
748-Ultima Thule(536)
From: Albert Grauer
Series: Travelers In The Night
Caption: Ulta Thule, Credit: NASA
Traveling an additional billion miles beyond Pluto, the New Horizons spacecraft is now sending back data on 2014 MU69, a strange snow man shaped ob...

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


  • Added: May 28, 2023
  • Length: 02:00
  • Purchases: 8
747-Alone or Not(535)
From: Albert Grauer
Series: Travelers In The Night
Caption: Solar Sail and Laser Power Interstellar Spacecraft, Credit: Breakthrough Starshot
In our Milky Way Galaxy alone there are probably 25 billion planets located within the habitable zone of its star where there could be air to breat...

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


  • Added: May 21, 2023
  • Length: 02:00
  • Purchases: 7
746-Followups(534)
From: Albert Grauer
Series: Travelers In The Night
Caption: Asteroids, Credit: NASA
Without followup data, many if not most of the Earth approaching objects would be lost as they move away from us leaving us with no idea when they ...

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


  • Added: May 14, 2023
  • Length: 02:00
  • Purchases: 8
745-100 Moons(533)
From: Albert Grauer
Series: Travelers In The Night
Caption: Schmidt Telescope Mt. Bigelow, Arizona, Credit: CSS/U. Arizona
A small telescope makes a substantial contribution to our knowledge of the celestial visitors to our neighborhood

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


  • Added: May 07, 2023
  • Length: 02:00
  • Purchases: 7

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