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302E-321-Dangereous Comet
Protection against a comet strike is worth considering. Every year, if we are lucky, several comets can come close enough for the Sun to warm and us …
1 year, 11 months ago
814-Threat of Solar Storms
Solar storms on our home planet occur when bursts of visible, ultraviolet and other photons hit our atmosphere and/or streams of energetic particles …
1 year, 11 months ago
301E-320-WOW What a Ride
It's a good thing this one will miss Earth.
Riding the surface of the asteroid that my Catalina Sky Survey teammate Richard Kowalski recently discove…
1 year, 11 months ago
813-RADAR Observations of Close Approacher
Astronomers measure an asteroid’s position on the sky using a two dimensional system similar to the latitude and longitude coordinates we obtain wit…
1 year, 11 months ago
300E-319-Lost and Found
When asteroid hunters follow an object in the night sky for a few hours or a couple of days they are only able to observe a snippet or tracklet of th…
1 year, 11 months ago
812-The Benu Files I
A recent scientific paper characterizes the 123 grams of the regolith or surface material from the asteroid Bennu which NASA’s OSIRIS-REx spacecraft …
1 year, 11 months ago
299E-318-Caves of Mars
Presently the surface of Mars is very dry and any liquid water that reaches it quickly boils away since the martian atmospheric pressure is what you …
1 year, 11 months ago
811-Martian Meteroite Hunters
Perhaps someday humans will travel to Mars, walk the surface of the red planet, and collect meteorites. Recent studies suggest Mars to be an exciting…
2 years ago
298E-317-Psyche Water
The asteroid Psyche may be one of the most expensive pieces of real estate in the solar system. It is a small world about 116 miles in diameter and i…
2 years ago
810-Humans Can
The James Webb Space Telescope or JWST for short is a superb scientific instrument which is revolutionizing our understanding of the structure of the…
2 years ago