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PODCAST

Travelers In The Night

Albert D. Grauer

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

science astronomy

All Episodes

2:01

720-Large PHA(506)

Travelers In The Night ·

2022/11/25

Recently my Catalina Sky Survey teammate Richard Kowalski was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered a 2,000 foot diameter space rock streaking through the night sky. The extremely remote possibility that a big one might have our number on it keeps asteroid hunters going to their telescopes.

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2:01

208E-220-Deuce

Travelers In The Night ·

2022/11/22

A pair of comet discoveries are reported in the space of 31 hours

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2:01

719-What A Night(505)

Travelers In The Night ·

2022/11/18

To give you an idea of the celestial traffic in our neighborhood, on a recent clear night, using our 60 inch telescope on Mt. Lemmon, Arizona, my Catalina Sky Survey teammate Hannes Groller posted 20 new objects on the Minor Planet Center's Near Earth Object Confirmation Page. In the future five of these asteroids may become a valuable source of raw materials for Martian colonists.

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2:01

207E-219-Zero

Travelers In The Night ·

2022/11/15

A small asteroid's path around the Sun very nearly crosses that of Earth.

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2:01

718-Vulcan(504)

Travelers In The Night ·

2022/11/11

In the fictional Star Trek series, Vulcan, Spock's home planet was imagined to orbit the A component of the triple star system 40 Eridani [Eri-dani ]. Recently astronomers using the Dharma Planet Survey 50 inch telescope on Mt. Lemmon, Arizona have discovered that there is indeed an actual planet, named HD26965 b, with mass of 8.5 times that of Earth orbiting the star 40 Eridani A once every 42.38 days.

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2:01

206E-218-Still Out There

Travelers In The Night ·

2022/11/08

Unknown large dangerous Earth approaching asteroids are still out there

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2:01

717-Fuls III(503)

Travelers In The Night ·

2022/11/04

Recently my Catalina Sky Survey teammate Carson Fuls discovered his third comet, Comet C/2018 R4 (Fuls). It is now on its way back into deep space. Given the climate change Earth is experiencing it is hard to predict the state of our planet and humanity when Comet Fuls returns in 7,500 AD.

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2:01

205E-217-How Close

Travelers In The Night ·

2022/11/01

Earth approaching asteroids are found by their motion in the sky.

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2:01

716-Pair of PHAs(502)

Travelers In The Night ·

2022/10/28

Asteroid Hunters keep careful track of nearly 2,000 Potentially Hazardous Asteroids [PHAs] to make sure that they are no threat to humanity. The recent discovery of two new PHAs reminds us that there are many still out there to be discovered and followed.

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2:01

204E-216-Blinky Revealed

Travelers In The Night ·

2022/10/25

An Earth approaching asteroid is found to triple in brightness every 9 minutes.

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2:01

715-Carson's Night(501)

Travelers In The Night ·

2022/10/21

A small space rock is spotted 4 days before it came very close to the Earth and our Moon.

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2:01

203E-215-Blinky

Travelers In The Night ·

2022/10/18

A rapidly spinning asteroid comes close to both the Earth and our Moon.

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2:01

714-Why Look(500)

Travelers In The Night ·

2022/10/14

What asteroid hunters fear is that a small space rock capable of injuring people and damaging buildings is heading our way and that we will not find it in time to give a warning for people in the impact area to seek cover.

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2:01

202E-214-Jupiter's Comets

Travelers In The Night ·

2022/10/11

The giant planet Jupiter has its own family of comets orbiting our Sun.

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2:01

713-Oppy(499)

Travelers In The Night ·

2022/10/07

The NASA Mars Opportunity Rover, nicked named Oppy by those who operate and love it ,was designed to last 90 days on the Martian surface but has continued to explore the surface of the red planet for 14 years.

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2:01

201E-213-Great Night

Travelers In The Night ·

2022/10/04

A dozen Earth approaching asteroid candidates are discovered in a single night.

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2:01

712-Tiny Travelers(498)

Travelers In The Night ·

2022/09/30

Although small space rocks pose no threat to humans, they are an interesting part of our environment, offer a chance for asteroid hunters to develop their tracking skills, and occasionally provide an opportunity for a meteorite hunter to touch an object from outer space.

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2:01

200E-212-Dead Comet

Travelers In The Night ·

2022/09/27

A potentially hazardous dead comet makes a close approach to Earth

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2:01

711-First One(496)

Travelers In The Night ·

2022/09/23

Asteroid hunters were able to discover a small Earth approaching asteroid after 57 nights of continuous rain and clouds.

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2:01

199E-211-Smoking Moon

Travelers In The Night ·

2022/09/20

Humans have discovered oceans of liquid salty water on four small worlds in our solar system. Could living things be flourishing in these alien environments?

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1,271 results

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