Al Grauer Archive
Sep 30th: Tough Space Rocks & Close Space Rocks
Catalina Sky Survey discovered 17 space rocks that can come closer than the communication satellites to the surface of planet Earth!
Sep 23rd: 2017’s Catch Deportee
Almost a thousand objects has been identified by Catalina Sky Survey and a story about Pleiades #365DaysOfAstro
Sep 16th: Meteor Whispers & Phaethon
A story of Meteor Whispers & Phaethon, the mysterious Earth approaching object that does not fit our definition of either an asteroid or a comet.
Sept 9th: Greg’s Comet and Rose Rules Again
Sep 2nd: Silent ET & Long Winter Nights
Oumuamua zipped by the Earth on a trajectory that started beyond our solar system in truly deep space!
Aug 26th: New Aten Almost Dangerous
Aug 19th: ET’s Cigar & Dry Sand
Aug 12th: Red Dwarf Planets & Fireball II
Aug 5th: Well Done Odd Ball
The discoveries of 2017 TC1, which comes to .076 AU from the Sun and 2017 TF4, which has an orbit which is tilted by 60 degrees to the plane of our solar system.