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Travelers in the Night Eps. 373 & 374: Plant Companionship & Earth’s Pet Rock

Travelers in the Night Eps. 373 & 374: Plant Companionship & Earth’s Pet Rock

The 365 Days of Astronomy vor 1 Monat
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Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an
observational asteroid hunting astronomer. Dr. Grauer retired
from the University of Arkansas at Little Rock in 2006.
travelersinthenight.org

From January & February 2026.

Today's 2 topics:

- On Earth, human life is enabled by plants which provide us with
calories, vitamins, fuel, medicines, and oxygen to breathe. In
addition, recent scientific studies indicate that plant
cultivation reduces anxiety and depression and has a positive
influence on diabetes, heart disease, obesity, and longevity.
Perhaps this is the reason that 80% of the cultivated plant
species on planet Earth are not used for any food related
purpose. On long duration space missions astronauts live in close
quarters isolated from the natural world where the basic
activities like eating, sleeping, and attending to bodily
functions are difficult and stress producing. 

 

- On it's gravitational leash, Earth's pet space rock, 2016 HO3,
accompanies us at a distance of between 38 and 100 times the
Moon's distance from Earth as we both travel about the Sun. As
this tiny asteroid orbits the Sun it spends about half of its
time inside the Earth's orbit where it moves faster and passes
ahead of us and the other half of its yearly path outside of our
orbit which causes it to lag behind our home planet. Since its
discovery little has been known about Earth's pet space rock
leaving some to speculate that perhaps it is an old rocket
booster or other piece of space junk.

 

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The 365 Days of Astronomy Podcast is produced by the Planetary
Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at
info@365DaysOfAstronomy.org.

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„Travelers in the Night Eps. 373 & 374: Plant Companionship & Earth’s Pet Rock“

Worum geht es? Danach fragen wir noch nach dem Grund.

Abonnenten

Al
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