xs4all.nl: Astronet Carl Koppeschaar's ASTRONET Keyword: astronomical phenomena , astronomy , astrophysics , lunar eclipses , mercury transit , solar eclipses , supernovae , venus transit www.xs4all.nl/~carlkop/astroeng.html pbs.org: Nova Online | Runaway Universe NOVA Online presents Runaway Universe Keyword: astronomy , cosmic , cosomology , expand , expanding , inflation , inflationary , runaway , supernova , supernovae , universe www.pbs.org/wgbh/nova/universe/ Add Site or Add URL to Submit Site to the supernovae Directory |