10 Things We Know or Don’t about ‘Oumuamua

Comets and asteroids come and go, but few make as much of a stir as ‘Oumuamua. Toward the end of last year, its virtually unprecedented appearance from interstellar space made urgent headlines around the world. And, in various ways, it left an indelible footprint.

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Text version: http://www.toptenz.net/10-things-know-dont-oumuamua.php

Coming up:

10. It Probably Isn’t Alien Technology
9. It’s Seen as a “Messenger from Afar”
8. It’s Among the Fastest Objects Ever Detected
7. It’s Pink
6. It’s Not Really the First Interstellar Visitor
5. It Defies Categorization
4. It Looks Like a Cigar (or a Needle, or an Oddly Shaped Pen, or Maybe Even a Monolith from 2001)
3. We May Never Know Where It Came From
2. It’s Leaving Us, But It’ll Take Some Time
1. It Shows Us How Unprepared We Are for Possible Asteroid Impacts

Source/Further reading:

https://youtu.be/fbL1ZoAQgUU
https://www.mirror.co.uk/science/even-stephen-hawking-thinks-mysterious-11695166
https://www.nature.com/articles/d41586-017-08809-x
https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=A/2017%20U1;old=0;orb=1;cov=0;log=0;cad=1#orb
https://projectpluto.com/temp/2017u1.htm
https://www.nature.com/articles/nature02578
http://www2.ess.ucla.edu/~jewitt/papers/1996/LJ96.pdf
https://www.nature.com/articles/nature25020
https://www.forbes.com/sites/billretherford/2017/12/27/oumuamua-our-interstellar-visitor-what-we-know-now/#4674b656749c
https://www.wired.com/story/the-physics-behind-the-strange-interstellar-asteroid-oumuamua/
https://www.smithsonianmag.com/smart-news/more-details-released-first-interstellar-object-cross-our-solar-system-180967277/
https://newatlas.com/project-lyra-interstellar-asteroid/52345/
https://www.reddit.com/r/Astronomy/comments/7fhn2k/what_would_happen_if_oumuamua_hit_earth/
https://commons.wikimedia.org/wiki/File:Artist%27s_impression_of_%CA%BBOumuamua.jpg
https://www.youtube.com/watch?v=nbwYCnLm1hU
https://www.flickr.com/photos/esoastronomy/26786070159
https://commons.wikimedia.org/wiki/File:Oumuamua_trajectory_animation.gif
https://i.vimeocdn.com/filter/overlay?src0=https%3A%2F%2Fi.vimeocdn.com%2Fvideo%2F668052793_1280x720.jpg&src1=https%3A%2F%2Ff.vimeocdn.com%2Fimages_v6%2Fshare%2Fplay_icon_overlay.png
https://spaceplace.nasa.gov/review/comet-ocean/raining-comets-lrg.en.jpg
https://commons.wikimedia.org/wiki/File:Oumuamua_orbit_at_perihelion.png
https://www.nasa.gov/images/content/148728main_jfa18844.jpg
http://maxpixel.freegreatpicture.com/static/photo/1x/Telescopes-Observatory-Mauna-Kea-Hawaii-1567189.jpg
https://commons.wikimedia.org/wiki/File:A2017U1_5gsmoothWHT_enhanced.jpg

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