PRX - Pieces for Topic: Environment

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104 results


555-Dead Comet Dust
From: Albert Grauer
Series: Travelers In The Night
Piece image
The Phoenicids are a minor meteor shower which was discovered by the first Japanese Antarctic Research Expedition on December 5, 1956. To spot the ...

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


  • Added: Sep 13, 2019
  • Length: 02:00
  • Purchases: 8
553-Exploring The Far Side
From: Albert Grauer
Series: Travelers In The Night
Piece image
The Chinese, Chang'e 4 made a soft landing on the far side of the Moon where it is impossible to have direct radio communications with the Earth. I...

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


  • Added: Sep 01, 2019
  • Length: 02:00
  • Purchases: 9
549-Weirdest Star
From: Albert Grauer
Series: Travelers In The Night
Piece image
Recently the Kepler Spacecraft found that a catalogue star HD 139139 now nicknamed the "Random Transiter" had 28 apparently random sharp narrow di...

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


  • Added: Aug 01, 2019
  • Length: 02:00
  • Purchases: 9
548-Dragonfly
From: Albert Grauer
Series: Travelers In The Night
Piece image
In our solar system the most exotic body which contains the complex organic molecules necessary for life is Saturn's Moon Titan. NASA's Dragonfly...

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


  • Added: Jul 26, 2019
  • Length: 02:00
  • Purchases: 8
542-Toughest Asteroid
From: Albert Grauer
Series: Travelers In The Night
Piece image
An asteroid has been discovered that comes very near to the Sun where it receives 12.6 times the radiation that heats the planet Mercury's surface...

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


  • Added: May 31, 2019
  • Length: 02:00
  • Purchases: 9
538-Asteroid Slam
From: Albert Grauer
Series: Travelers In The Night
Piece image
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 Simply Beautiful, Allegheny Mountain Radio, KENW, WTIP, WLPR and more


  • Added: May 04, 2019
  • Length: 02:00
  • Purchases: 6
537-Earth Glow
From: Albert Grauer
Series: Travelers In The Night
Piece image
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 Simply Beautiful, Allegheny Mountain Radio, KENW, KRWG, WTIP and more


  • Added: Apr 25, 2019
  • Length: 02:00
  • Purchases: 8
530-Cuban Meteorites
From: Albert Grauer
Series: Travelers In The Night
Piece image
A large fireball meteor which exploded over Cuba produced a number of interesting results.

Bought by Simply Beautiful, Allegheny Mountain Radio, KENW, WTIP, KUPR low power FM and more


  • Added: Mar 08, 2019
  • Length: 02:00
  • Purchases: 7
529-Africano 4
From: Albert Grauer
Series: Travelers In The Night
Piece image
My Catalina Sky Survey Teammate Brian Africano discovered his 4th comet while asteroid hunting in the constellation of Ursa Major with our Schmidt ...

Bought by Simply Beautiful, Allegheny Mountain Radio, KENW, WTIP, KUPR low power FM and more


  • Added: Mar 02, 2019
  • Length: 02:00
  • Purchases: 8
525-Collision
From: Albert Grauer
Series: Travelers In The Night
Piece image
The object which the 2.3 mile diameter Gault hit is likely to have been a third of a mile diameter space rock. This celestial crash left Gault with...

Bought by Simply Beautiful, Allegheny Mountain Radio, KENW, WLPR , KRWG and more


  • Added: Feb 02, 2019
  • Length: 02:00
  • Purchases: 9
521-Lunar Space Rock
From: Albert Grauer
Series: Travelers In The Night
Piece image
Recently, my Catalina Sky Survey teammate Hannes Growler discovered an Earth approaching asteroid which has a speed consistent with it being eject...

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


  • Added: Jan 05, 2019
  • Length: 02:00
  • Purchases: 9
520-Comet Lemmon
From: Albert Grauer
Series: Travelers In The Night
Piece image
An interstellar traveler visits our neighborhood on its tour of the Milky Way.

Bought by Simply Beautiful, Allegheny Mountain Radio, KENW, KUPR low power FM, WLPR and more


  • Added: Dec 28, 2018
  • Length: 02:00
  • Purchases: 7
519-Greg's Comet
From: Albert Grauer
Series: Travelers In The Night
Piece image
The discovery of a Jupiter family comet whose fate is to become a garden variety main belt asteroid.

Bought by Simply Beautiful, Allegheny Mountain Radio, KENW, KRWG, WLPR and more


  • Added: Dec 22, 2018
  • Length: 02:00
  • Purchases: 9
518-Busy Night
From: Albert Grauer
Series: Travelers In The Night
Piece image
On Halloween night while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona I discovered 21 space rocks streaking th...

Bought by Simply Beautiful, Allegheny Mountain Radio, KENW, KRWG, WLPR and more


  • Added: Dec 13, 2018
  • Length: 02:00
  • Purchases: 7
512-Aten
From: Albert Grauer
Series: Travelers In The Night
Piece image
Aten Asteroids are stealthy space rocks which can be dim and hard to detect since for most of their path about the Sun their illuminated side is f...

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


  • Added: Nov 10, 2018
  • Length: 02:00
  • Purchases: 9
483-Double Trouble
From: Albert Grauer
Series: Travelers In The Night
Piece image
Asteroid hunters have discovered a strange asteroid pair. How they came to be together and what humans would do if such a large double trouble obje...

Bought by KENW, WTIP, WLPR , KKRN, and KUPR low power FM


  • Added: Aug 02, 2018
  • Length: 02:00
  • Purchases: 5
481-Fireball
From: Albert Grauer
Series: Travelers In The Night
Piece image
On July 8, 2018 a beautiful fireball Meteor was seen streaking across the sky in evening twilight. So far the American Meteor Society has receive...

Bought by KENW, WLPR , WTIP, KUPR low power FM, KSFR and more


  • Added: Jul 26, 2018
  • Length: 02:00
  • Purchases: 8
472-Martian Mysteries
From: Albert Grauer
Series: Travelers In The Night
Piece image
Two exciting new scientific discoveries have ignited our curiosity and are guiding our search for evidence of past and/or present life on Mars.

Bought by KENW, WTIP, KUPR low power FM, KRWG, KKRN and more


  • Added: Jun 22, 2018
  • Length: 02:00
  • Purchases: 7
468-Peek A Boo Asteroid
From: Albert Grauer
Series: Travelers In The Night
Piece image
A strange asteroid plays hide and seek with frustrated astronomers.

Bought by KENW, WTIP, KUPR low power FM, KKRN, KRZA and more


  • Added: Jun 08, 2018
  • Length: 02:00
  • Purchases: 8
467-Time Travel
From: Albert Grauer
Series: Travelers In The Night
Piece image
Looking out into space takes you back in time. To experience time travel go to a natural night sky location like the Cosmic Campground Internationa...

Bought by KENW, WTIP, KUPR low power FM, KSFR, KKRN and more


  • Added: Jun 07, 2018
  • Length: 02:00
  • Purchases: 6
459-Falling Space Rocks
From: Albert Grauer
Series: Travelers In The Night
Piece image
In the early evening of January 17, 2018 six hundred and seventy four observers in 11 States and Canada reported a fireball meteor streaking across...

Bought by KENW, WTIP, KUPR low power FM, WLPR , KKRN and more


  • Added: May 10, 2018
  • Length: 02:00
  • Purchases: 9
Owning The Clouds
From: Steven Jackson
Piece image
Cloud seeding -- intervening in clouds to squeeze out precipitation -- is done all over the world. But it's not an exact science; we still have muc...

Bought by New Hampshire Public Radio, The Allegheny Front: Reporting on the Environment, and PRX Remix


  • Added: Nov 20, 2015
  • Length: 09:38
  • Purchases: 3
700 Fathoms under the Sea
From: David Schulman
Caption: Scientists discovered the "sound channel" in 1944. Whales use it to communicate across oceans — and during the Cold War the Navy secretly used it to track nuclear subs. This 1948 graphic shows sound traveling on an axis 700 fathoms down in the Atlantic., Credit: Maurice Ewing and J. Lamar Worzel
Something unusual happens about a half mile under the sea. Ocean physics create a special zone where sound travels for hundreds, even thousands of ...

Bought by KUFM - Montana Public Radio, New Hampshire Public Radio, American Voices, Hark!, KFAI Minneapolis and more


  • Added: Aug 26, 2014
  • Length: 11:11
  • Purchases: 11
Volunteers hunt for moose bones on Isle Royale (Part 2)
From: Michigan Radio
Series: Lessons from Isle Royale's Wolves & Moose
Caption: Moosewatch volunteer Dave Beck holds up a marked antler. Team leader Jeff Holden looks on. They mark the antlers and hang them in a tree so others know the antler has been found and documented., Credit: Mark Brush
Wolves and moose are at the heart of the world’s longest running study of a predator and its prey. The drama unfolds on Isle Royale National Park ...

Bought by Delta College Public Radio and WTIP


  • Added: Jan 24, 2013
  • Length: 03:47
  • Purchases: 2
Watching the lives of wolves and moose unfold on Isle Royale (Part 1)
From: Michigan Radio
Caption: Rolf Peterson on Caribou Island, one of more than 450 smaller islands in the national park's archipelago., Credit: Mark Brush
Researchers have studied the wolves and moose on a remote island archipelago in Lake Superior for 54 years. These days, the wolves are in trouble.

Bought by Delta College Public Radio and WTIP


  • Added: Jan 24, 2013
  • Length: 04:00
  • Purchases: 2