Pautan

1. http://www.angkasa.gov.my/
2. http://astronomi.angkasa.gov.my/cms3/page/index
3. http://www.al-azim.com/falak/galaksi.html
4. http://kafeastronomi.com/category/benda-langit/bintang-dan-galaksi
5. http://www.falak-online.net/portalfalak/
6. http://falakonline.net/semesta/
7. http://science.nationalgeographic.com/science/space/space-exploration/
8. http://www.space-travel.com/
9. http://www.nasa.gov/
10. http://www.space.com/science-astronomy/