Astronomy articles 2009

2009: mayan astronomy (fiero)


The mayan culture spread across a vast area, including south-east mexico and part of central america. Their society was governed by the demands of seasonal.



Galaxies, part 1: crash course astronomy 38


The milky way is our neighborhood in the universe. Its a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of stars or more.



High mass stars: crash course astronomy 31


Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from.



Ancient astronomy

Ancient astronomy - best of carl sagans cosmos (part 17) please subscribe to science & reason:.



209 seconds that will make you question your entire existence

Every time you get upset about something small, just remember this. Check out more awesome buzzfeedblue videos! music.



Astronomy vs astrology

Astronomy vs astrology - best of carl sagans cosmos (part 15) please subscribe to science & reason:.



Low mass stars: crash course astronomy 29


Today we are talking about the life and death of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years.



Night sky navigation 2 finding north in the southern hemisphere


Welcome to the second episode of my miniseries on night sky navigation. The first episode dealt with moon and star navigation in the northern hemisphere.



Women scientists: women in astronomy conference and two women astronomers discussing their work

Women scientists: women in astronomy conference and two women astronomers discussing their work scenes from a professional meeting of women.



Proof of nasa misson to bomb moon alien base in 2009

Credits go to youtube user undercoveralien now thats a huge cat left out of the nasas bag. The smoking gun evidence that nasa knows about the presence of.