Podcast Episodes
Back to Search
734-Comets Africano(522)
During Comet C/2018 V4 Africano's last visit to the inner solar system humans were erecting the outer ring at Stonehenge. At the rate human's are changing the Earth's climate who can guess what will …
Published on 2 years, 9 months ago
223E-235-Fragment
Millions of years ago two large asteroids collided in the asteroid belt. Pieces were sent flying in all directions. A few of them were put into orbits which rise high above and below the plane of the…
Published on 2 years, 10 months ago
733-Lunar Space Rock(521)
Recently, my Catalina Sky Survey teammate Hannes Groller discovered an Earth approaching asteroid which has a speed consistent with it being ejected from the Moon by the impact of an asteroid or come…
Published on 2 years, 10 months ago
222E-234-Salty and Cold
There is increasing evidence that Jupiter's moon Europa, Saturn's moon Enceladus, and other bodies in our solar system have oceans of salty liquid water in contact with warm rock layers. We know that…
Published on 2 years, 10 months ago
732-Comet Lemmon(520)
Comets Travel Between Stars. An interstellar traveler visits our neighborhood on its tour of the Milky Way. Comet Lemmon will continue on a hyperbolic path into deep space. In 2043 it will be further…
Published on 2 years, 10 months ago
221E-233-Tiny Visitor
Asteroids are part of our environment.An SUV sized space rock has spent eons traveling through the silent vacuum of space. In the past 50 years, without humans being aware of its existence, it has ma…
Published on 2 years, 10 months ago
731-Greg's Comet(519)
The discovery of a Jupiter family comet whose fate is to become a garden variety main belt asteroid.
Published on 2 years, 10 months ago
220E-232-Dangerous Aten
Aten asteroids pose a threat as well as an economic opportunity for humans.
Published on 2 years, 10 months ago
730-Busy Night(518)
On Halloween night while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona I discovered 21 space rocks streaking through the night sky. The most interesting one could …
Published on 2 years, 10 months ago
219E-231-Hot Hand
Every year asteroid hunters discover about a hundred objects which are larger than 450 feet in diameter and come closer than 20 times the Moon's distance from us. We call these potentially hazardous …
Published on 2 years, 10 months ago