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

Episodes

376-Active Asteroids 15.08.2017 2:01

The Dark And Mysterious Sometimes Becomes The Bright And Beautiful.

375-Chelyabinsk Sized 11.08.2017 2:01

Small Earth approaching asteroids are part of our environment. Early Detection Is The Key

374-Brute 08.08.2017 2:01

Fortunately This Asteroid Will Not Spoil Your Day.

373-Kepler's Planets 04.08.2017 2:01

The Kepler Space Telescope has discovered more than 50 habitable Earth sized planets orbiting distant stars.

372-Trappist-1 Planets 01.08.2017 2:01

The Trappist-1 solar system consists of a dim red star and 7 Earth sized planets. Humans are beginning to explore this fascinating new potentially habitable destination.

371-2 Headed Space Worm 28.07.2017 2:01

Will Earth evolved Biology allow humans to create sustainable colonies in space, on the Moon, or on Mars?

370-Life's Parts 25.07.2017 2:01

Astronomers have found the basic ingredients of life in an infant solar system.

369-Finding Treasure 21.07.2017 2:01

Space miners can up their odds by prospecting with ground based telescopes.

368-Asteroid Alert 18.07.2017 2:01

NASA's Scout and Sentry software systems allow asteroid hunters to study and keep track of potentially dangerous asteroids.

367-Future Impactor 14.07.2017 2:01

A 33 foot diameter asteroid has about a 1% chance of impacting the Earth in the distant future.

366-3 Explorers 11.07.2017 2:01

A tiny space rock which can pass closer to us than the communications satellites may have been ejected from our Moon.

365-Tabby's Star 07.07.2017 2:01

Tabby's star varies in brightness suggesting that it swallowed one or more of it's planets in the very recent past. Cannibal Star or Alien Megastructure?

364-Laser Surfing 04.07.2017 2:01

Laser propelled ultra light space probes could be sent to explore nearby worlds.

363-Scoping Planets 30.06.2017 2:01

Humans can measure signs of life in nearby worlds.

362-Asteroid Day 27.06.2017 2:01

2017 Asteroid day events are being held at more than 500 hundred locations in 72 countries world wide. Participants at Asteroid Day events are encouraged to sign the 100X Declaration which seeks to increase the rate of discovery of potentially damaging space rocks.

361-Nearby Planets 23.06.2017 2:01

Discovering and researching conditions on relatively nearby planets is within our reach.

360-Rolling In 20.06.2017 2:01

A small space rock streaks past our home planet.

359-Ice World 16.06.2017 2:01

An Earth sized icy world has been discovered orbiting a small dim star.

358-Bigee 13.06.2017 2:01

Large potentially dangerous asteroids are still out there.

357-Double Trouble 09.06.2017 2:01

About 16% of the Earth approaching asteroids larger than 600 feet in diameter have orbiting companions. How do we defend against such a complex object if one is found to be on a collision course with planet Earth.

356-Seeds 06.06.2017 2:01

What plant seeds will be left for interstellar travelers to take with them.

355-2 Suns 01.06.2017 2:01

It is possible for a habitable planet to exist in a solar system with two suns.

354-Returnee 30.05.2017 2:01

What had appeared as a solitary point of light returns to near Earth to reveal that it is two asteroids in a tight dance.

353-Backwards 26.05.2017 2:01

A 2 mile diameter object bucks the solar system traffic by traveling in a direction backwards to all of the planets.

352-Worth Tracking 23.05.2017 2:01

Asteroid Hunters Have Found A Very Large Potentially Close Approaching Space Rock.