PRX - Pieces for Topic: Environment

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134 results


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


  • Added: Jun 04, 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 KENW, Simply Beautiful, Allegheny Mountain Radio, KICI Iowa City, KGLP and more


  • Added: Apr 11, 2021
  • Length: 02:00
  • Purchases: 10
622-Lonely Vigil
From: Albert Grauer
Series: Travelers In The Night
Piece image
On some nights an asteroid hunter searches for Earth approaching objects near the ecliptic plane where the planets and most of the asteroids are lo...

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


  • Added: Dec 26, 2020
  • Length: 02:00
  • Purchases: 11
621-Morning Sky
From: Albert Grauer
Series: Travelers In The Night
Piece image
Although the orbit of an Aten asteroid crosses our path in space on its travel about the Sun it stays mostly inside the Earth's orbit making it dif...

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


  • Added: Dec 18, 2020
  • Length: 02:00
  • Purchases: 11
619-Apophis Campaign
From: Albert Grauer
Series: Travelers In The Night
Caption: Artists Conception Apophis, Credit: Dan Durda – FIAAA
Currently scientists, governments, and private citizens are preparing to mitigate a disaster caused by a large incoming space rock. To test techn...

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


  • Added: Dec 04, 2020
  • Length: 02:00
  • Purchases: 9
618-Tremendous Find
From: Albert Grauer
Series: Travelers In The Night
Piece image
Recently my Catalina Sky Survey teammate David Rankin searched for asteroids, as close to the Sun as possible with our 60 inch telescope on Mt. Lem...

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


  • Added: Nov 28, 2020
  • Length: 02:00
  • Purchases: 11
617-One to Track
From: Albert Grauer
Series: Travelers In The Night
Piece image
Recently my Catalina Sky Survey teammate Teddy Pruyne was observing in the constellation Lacerta with our 60 inch telescope on Mt. Lemmon, Arizona ...

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


  • Added: Nov 20, 2020
  • Length: 02:00
  • Purchases: 11
616-100 Million Year Old Crater
From: Albert Grauer
Series: Travelers In The Night
Caption: Fitzgerald River National Park in Western Australia, Credit: Yewenyi, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1370203
In western Australia, rock samples and maps of the local geology obtained while exploring for gold show evidence of a 3 mile diameter meteor crater...

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


  • Added: Nov 13, 2020
  • Length: 02:00
  • Purchases: 11
615-Solar Storm Forecasts
From: Albert Grauer
Series: Travelers In The Night
Piece image
A large solar coronal mass ejection could put astronauts, airline passengers, power grids, electronic devices, and satellites at risk. Participa...

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


  • Added: Nov 06, 2020
  • Length: 02:00
  • Purchases: 12
614-Rare Atira
From: Albert Grauer
Series: Travelers In The Night
Piece image
The Atira class of Earth approaching asteroids are ones whose orbit is entirely within that of the Earth's path about the Sun. Less than 3 dozen o...

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


  • Added: Oct 30, 2020
  • Length: 02:00
  • Purchases: 11
613-Climate Change and Telescopes
From: Albert Grauer
Series: Travelers In The Night
Piece image
Recently, in the journal Nature Astronomy, a team of astronomers led by Dr. Faustine Cantalloube of the Max-Planck Institute for Astronomy released...

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


  • Added: Oct 23, 2020
  • Length: 02:00
  • Purchases: 12
612-Day and Night
From: Albert Grauer
Series: Travelers In The Night
Piece image
Most life on Earth is synchronized to the regular cycles of day and night. Until about a hundred years ago, the natural night sky was familiar to ...

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


  • Added: Oct 18, 2020
  • Length: 02:00
  • Purchases: 12
611-Aurora Mysteries
From: Albert Grauer
Series: Travelers In The Night
Piece image
Auroral displays have been observed and reported on throughout human history. Data from NASA's 5 Themis (Themm us) satellites analyzed by powerfu...

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


  • Added: Oct 09, 2020
  • Length: 02:00
  • Purchases: 12
610-Atmospheric Gravity Waves
From: Albert Grauer
Series: Travelers In The Night
Caption: Atmospheric gravity waves seen from space, Credit: Jeff Schmaltz – (NASA)
Atmospheric gravity waves can be powerful. In September of 2018 two glider pilots surfed an atmospheric gravity wave created by high speed polar w...

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


  • Added: Oct 02, 2020
  • Length: 02:00
  • Purchases: 12
608-Triple Comet
From: Albert Grauer
Series: Travelers In The Night
Piece image
Recently amateur astronomer, Worachate Boonplod discovered the 4049th comet recorded in the imaging data produced by SOHO, the ESA/NASA Solar and ...

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


  • Added: Sep 18, 2020
  • Length: 02:00
  • Purchases: 12
607-Good Night
From: Albert Grauer
Series: Travelers In The Night
Caption: Artistic illustration of an asteroid approaching Earth. , Credit: Image Credit: Dieter Spannknebel / Getty Images
Nearly every day during the monsoon rainy season in the American southwest, afternoon thunderstorms require putting mountain top telescopes and ca...

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


  • Added: Sep 11, 2020
  • Length: 02:00
  • Purchases: 12
606-Falling Stones
From: Albert Grauer
Series: Travelers In The Night
Piece image
Approximately 100 million metric tons of mostly sand grained sized space dust enters the Earth's atmosphere every day. Occasionally, larger pieces ...

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


  • Added: Sep 04, 2020
  • Length: 02:00
  • Purchases: 11
602-Solar Flares
From: Albert Grauer
Series: Travelers In The Night
Piece image
Some stars can have flares which can cause them to more than double in brightness in a few minutes. Fortunately our Sun does not do that and the Ea...

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


  • Added: Aug 07, 2020
  • Length: 02:00
  • Purchases: 12
601-Phaethon's Child
From: Albert Grauer
Series: Travelers In The Night
Piece image
Phaethon (Faith on) is a strange, 4 mile diameter, blueish asteroid. It travels on an orbit which comes so close to the Sun that its exterior is h...

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


  • Added: Jul 31, 2020
  • Length: 02:00
  • Purchases: 12
600-Big and Close
From: Albert Grauer
Series: Travelers In The Night
Piece image
My Catalina Sky Survey teammate Hannes Groeller was asteroid hunting in the constellation of Pegasus with our 60 inch telescope on Mt. Lemmon, Ariz...

Bought by KCHW, KENW, Simply Beautiful, WLPR , WTIP and more


  • Added: Jul 24, 2020
  • Length: 02:00
  • Purchases: 11
596-Next Solar Cycle
From: Albert Grauer
Series: Travelers In The Night
Piece image
If the current trend in 11 year solar cycles for the past 50 years continues, we can expect lower than average solar activity and the Earth will...

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


  • Added: Jun 25, 2020
  • Length: 02:00
  • Purchases: 11
595-Monster Comet C/2020 H2 (Pruyne)
From: Albert Grauer
Series: Travelers In The Night
Piece image
My Catalina Sky Survey teammate Teddy Pruyne was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bigelow, Arizon...

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


  • Added: Jun 19, 2020
  • Length: 02:00
  • Purchases: 13
594-Earth Grazer
From: Albert Grauer
Series: Travelers In The Night
Piece image
Asteroid hunters have discovered that the Earth encounters many tiny asteroids as it zips around the Sun at 67,000 miles per hour. Recently my Cata...

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


  • Added: Jun 13, 2020
  • Length: 02:00
  • Purchases: 12
592-Invasion
From: Albert Grauer
Series: Travelers In The Night
Piece image
Due to thoughtless outdoor night lighting on the surface and satellites in space the natural night sky is becoming a vanishing treasure. From cli...

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


  • Added: May 29, 2020
  • Length: 02:00
  • Purchases: 12
589-Defending Earth
From: Albert Grauer
Series: Travelers In The Night
Piece image
The International Asteroid Warning Network, or IWAN (Eye-Whan) for short has been established to link scientists who are discovering, monitoring, a...

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


  • Added: May 09, 2020
  • Length: 02:00
  • Purchases: 9