10 – Mars 2 moons - http://mars.nasa.gov/allaboutmars/extreme/moons/ , https://en.wikipedia.org/wiki/Moons_of_Mars#Origin
9 – Wormholes and black holes - http://www.space.com/20881-wormholes.html , http://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-black-hole-k4.html , https://upload.wikimedia.org/wikipedia/commons/0/03/Black_hole_lensing_web.gif
8 – Planet names - http://coolcosmos.ipac.caltech.edu/ask/196-How-did-the-planets-get-their-names-
7 – Earth no spin - http://image.gsfc.nasa.gov/poetry/ask/q1168.html , http://www.esri.com/news/arcuser/0610/nospin.html
6 – If Earth 4th not 3rd - http://blogs.scientificamerican.com/observations/what-would-happen-if-earth-and-mars-switched-places/ , http://www.spaceanswers.com/solar-system/what-would-happen-if-earth-and-mars-switched-places/
5 – Saturn's ring - http://scienceline.ucsb.edu/getkey.php?key=1085 , http://www.space.com/7165-enduring-mystery-saturn-rings.html
4 – Afraid of dark - http://www.medicaldaily.com/why-were-afraid-dark-evolutionary-and-rational-impulse-protect-ourselves-329414 , https://en.wikipedia.org/wiki/Fear_of_the_dark
3 – Ate self - http://www.healthmap.org/site/diseasedaily/article/spotlight-why-cannibalism-bad-you-72612
2 – Life in space - http://www.nasa.gov/content/finding-life-beyond-earth-is-within-reach , http://www.nasa.gov/ames/kepler/nasas-kepler-discovers-first-earth-size-planet-in-the-habitable-zone-of-another-star
1 – Exploding sun - http://www.livescience.com/32879-what-happens-to-earth-when-sun-dies.html