Alien asteroid or comet (A/2017 U1) visiting solar system.
Nov 6th: Why the Hype over an Exorock?
Tag: comet
Nov 1st: Awesome Astronomy November Sky Guide
What to look out, and up, for in November.
Oct 27th: NASA’s Human Research Program
How neutron star mergers brought us gold?
Oct 18th: One Comet, Twin Asteroids, or Both?
A comet has been discovered that is also two asteroids!
Oct 8th: Near Neighbor & Comet Johnson
Carson Fuls discovered the 70m diameter asteroid 2017 AG13 & Jess Johnson discovered Comet C2 2015 V2Johnson
Sep 24th: Marrakech & Asteroids
MOSS has discovered nearly 3,000 asteroids and several comets since 2011 while Catalina Sky Survey discovered 931 new Earth approaching objects in 2016.
Sep 10th: Dangerous Comets & Dust Stories
The real impact danger to Earth comes from comets, not asteroids.
Sep 7th: The Tale of the Disappearing Comet
Where did the Phoenicids come from and where did they go?
Aug 19th: See Comets & Weird Centaur
Comet viewing in 2017 and the discovery of another centaur, 2016 WM48.
Jul 2nd: Visitors From Afar & Sensing A Comet
Two more first time visitor asteroid and creating the smell of comet