Albert D. Grauer

Travelers In The Night

Science EN ↓ 1000 episodes

A real "Science Snack" for anyone who is interested in the extraterrestrial. Dr. Al Grauer is a member of the Catalina Sky Survey which has led the world in near Earth asteroid discoveries for 17 of the past 19 years. The music is "Eternity" by John Lyell. Astronomy  Asteroids Space NASA  Comets  Earth Impact Aliens

Author

Albert D. Grauer

Category

Science

Podcast website

travelersinthenight.org

Latest episode

Jul 10, 2026

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Episodes

401-Night Vision 10.11.2017

Experience the wonders of the Universe first hand using your night vision.

400-Roving Venus 07.11.2017

To Survive on Venus where the temperature is 864F and the surface air pressure is 90 times that of Earth, NASA and JPL engineers are exploring the concept of avoiding the use of modern temperature sensitive electronics by creating a fully mechanical rover.

399-Moons of Florence 03.11.2017

The largest asteroid to come near the Earth in 100 years has two moons.

398-Mars Rocks 31.10.2017

A visitor from Mars lands near Tata, Morocco on July 11, 2011. Pieces of it are worth 10 times their weight in Gold.

397-Spotting Meteors 27.10.2017

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 tiny asteroids. Observing a meteor shower can be a WOW inspiring experience.

396-Jupiter 24.10.2017

Jupiter has been observed by humans through out history, shaped our solar system, and made it possible for Earth to form.

395-House Sized Space Rocks 20.10.2017

There are approximately 3.2 million Earth approaching asteroids similar in size to the Chelyabinsk impactor which injured nearly 1,500 people and damaged more than 7,000 buildings in February of 2013.

394-Tiny Beasts 17.10.2017

A partnership with yeast and algae will enable spacefaring humans to use their waste products to produce food and plastics during long duration space flights.

393-Newest Moon 13.10.2017

The moon cycle from new moon through full moon and back to new moon again was used by many nations to regulate their activities and forms the basis of the Islamic lunar calendar. You might try making the interesting observation of the first visibility of the lunar crescent yourself.

392-Dragon Delivers 10.10.2017

The SpaceX 11 Dragon mission is the first time an American spacecraft has visited the space station since the NASA Space Shuttle Program ended in April of 2011.

391-Finding Spacerocks 06.10.2017

Finding a meteorite that has traveled billions of miles through space to reach it's present location is exciting. It might even be worth real money.

390-One in 100,000 03.10.2017

Additional observations over the years have eliminated the possibility that Apophis will strike the Earth as it streaks by closer than the communications satellites on that lucky Friday the 13th of 2029.

389-Tiny Spacecraft 29.09.2017

About the size of a saltine cracker and having a mass of less than 2 dimes, the single-board Sprite spacecraft has all the essentials; solar panels, computing electronics, thermometers, gyroscopes, radio communication equipment and more.

388-40 years 26.09.2017

Your representatives, Voyager 1 and Voyager 2 are heading into deep interstellar space.

387-Florence 22.09.2017

Florence, the largest asteroid in more than 100 years comes near to the Earth.

386-Interplanetary Sand Traps 19.09.2017

Topographic features on rubble pile asteroids are produced in a novel way.

385-Phoning Home 15.09.2017

Cell phone technology will be used to explore our Moon. Lunar tourists will be able to use their smart phones after 2018.

384-Flying By 12.09.2017

A small asteroid tests planetary defenses.

383-Moon Water 08.09.2017

The Moon is water rich and can supply lunar colonists with many of their needs.

382-Martian Debris 05.09.2017

Our solar system is a much less violent place than it used to be.

381-Peaceful Star 01.09.2017

A new appreciation for our Sun is growing as we learn more about other suns and their families of planets. Go outside today and enjoy some gentle sunshine from our well behaved star.

380-Southern Colleagues 29.08.2017

A Small Telescope Makes A Significant Discovery.

379-Flying Mud Balls 25.08.2017

The most common type of asteroids are likely to have started out as giant convecting mud balls which could still exist at the center of large asteroids like Ceres.

378-Moon Express 22.08.2017

The Moon is a destination for human explorers.

377-Insider 18.08.2017

Large asteroids lurking inside the Earth's orbit can be hard to spot.

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