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153E-165-One Two Punch
About 35 million years ago the Earth was impacted by two large asteroids creating the more than 50 mile diameter Popigai [pop a gay i] Crater in Russia and a similar crater in Chesapeake Bay in the U…
Published on 4 years, 1 month ago
664-Extraterrestrial Whales(410)
Perhaps the reason that we have not detected alien civilizations on distant worlds is because they exist in oceans covered by miles of radiation absorbing ice and rocks.
Published on 4 years, 2 months ago
152E-164-Big Threat or Not
In February 2013 a space rock about 59 feet in diameter entered the Earth's atmosphere over Chelyabinsk, Russia making a fire ball 30 times brighter than our Sun. It came without warning and nearly 1…
Published on 4 years, 2 months ago
663-Alien Rock?(409)
A rock from another solar system is likely to have streaked by Earth before heading back into interstellar space.
Published on 4 years, 2 months ago
151E-163-Space Junk
There are more than 20,000 pieces of space junk larger than 4 inches in diameter and millions of tiny ones in orbit around the Earth. At orbital speed a flake of paint carries as much energy as a 55…
Published on 4 years, 2 months ago
662-Earth's Pet Rock(408)
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.
Published on 4 years, 2 months ago
150E-162-Icarus Pays A Visit
For 43 years after its discovery in 1949, the Earth approaching asteroid Icarus, was known as the object which passes closest to our Sun. It is named for a boy in Greek mythology whose wings of feath…
Published on 4 years, 2 months ago
661-Roving Venus(400)
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 se…
Published on 4 years, 2 months ago
149E-161-Half A World Away
Using the long arm of the internet, astronomers in Russia are observing with a telescope located near Mayhill, New Mexico to discover solar system objects. The New Mexico Skies Observatory, near the…
Published on 4 years, 2 months ago
660-Double Comet(403)
What at first appeared to be an asteroid turned out to be a double comet.
Published on 4 years, 3 months ago