ASI Agenzia Spaziale Italiana
http://www.asi.it/

ESA European Space Agency
http://www.esa.eu/

IKI Space Research Institute (Russia)
http://www.iki.rssi.ru/

JPL Jet Propulsion Laboratory
http://www.jpl.nasa.gov/

NASA National Aeronautics and Space Administration
http://www.nasa.gov/

NASA History Home Page
http://history.nasa.gov/

NASDA NAtional Space Development Agency of Japan
http://www.nasda.go.jp/index_e.html

NSSDC National Space Science Data Center
http://nssdc.gsfc.nasa.gov/

RSSI Russian Space Science Institute
http://www.rssi.ru/

SSL Space Sciences Laboratory
http://www.ssl.berkeley.edu/

APOD Astronomy Picture Of the Day
http://apod.nasa.gov/apod/

CEPF Center for Earth and Planetary Studies
http://www.nasm.si.edu/ceps/

HubbleSite Showcase
http://hubblesite.org/gallery/showcase-original/

Hubble Space Telescope Public Pictures
http://oposite.stsci.edu/pubinfo/pictures.html

Immagini di astronomia Gruppo Astrofili Hipparcos Astronomia Musilli Roma
http://diamante.uniroma3.it/hipparcos/linkimmagini.htm

JPL Picture Archive
http://www.jpl.nasa.gov/pictures/

NASA Goddard Scientific Visualization Studio
http://svs.gsfc.nasa.gov/

NASA Planetary Photojournal
http://photojournal.jpl.nasa.gov/

NSSDC Photo Gallery
http://nssdc.gsfc.nasa.gov/photo_gallery/

Programma ASTER - Immagini Satellitari
http://www.jpl.nasa.gov/pictures/aster/

SkyView Virtual Observatory - The Internet's Virtual Telescope
http://skyview.gsfc.nasa.gov/

Terraserver - Immagini Satellitari
http://www.terraserver.com/

Two Micron All Sky Survery - 2MASS Home Page
http://pegasus.astro.umass.edu/

Università di Potsdam: Virtual Reality Milky Way Panorama
http://canopus.physik.uni-potsdam.de/~axm/mwpan_vr.html

Astrofili nel Mondo
http://www.tin.it/scienza/astronomia/associa.htm

Astrofili in Italia
http://space.tin.it/clubnet/mqifos/associazioni.htm

Astronomical League
http://www.mcs.net/~bstevens/al/obsclub.html

C.AS.T. Circolo AStrofili Talmassons
http://www.castfvg.it/

CIDAS Centro Italiano Divulgazione Astronomica e Spaziale
http://cidas.supereva.it/

CAM Circolo Astrofili Milanesi
http://www.micronet.it/italian/astronomia/circolo/circolohome.html

FAS Federation of American Scientists
http://www.fas.org/

GAT Gruppo Astrofilo Tradatese
http://www.gruppoastronomicotradatese.it/

SEDS Students for the Exploration and Development of Space
http://www.seds.org/

The Planetary Society
http://www.planetary.org/

UAI Unione Astrofili Italiani
http://www.uai.it/

Irradiazione solare in aumento
http://www.ecplanet.com/canale/astronomia-9/stelle-111/0/0/6210/it/ecplanet.rxdf

What color is a blackbody?
http://www.vendian.org/mncharity/dir3/blackbody/

What colour is the Sun?
http://casa.colorado.edu/~ajsh/colour/Tspectrum.html

What color are the stars?
http://www.vendian.org/mncharity/dir3/starcolor/

20 Ways the World could be swept away
http://www.discover.com/oct_00/featworld.html

Asteroidi e Tsunami
http://www1.tpgi.com.au/users/tps-seti/spacegd7.html

Catastrofi per tutti i gusti
http://www.zyz.com/survivalcenter/echange.html

Cosmic Impact News
http://www.phoenixat.com/~vnn2/bigrock.htm

Dinosauria On-Line
http://www.dinosauria.com/

Deep Impact alla NASA
http://impact.arc.nasa.gov/

Giove e le sue Lune preparano un inverno nucleare sulla Terra
http://www.nibiru2012.it/content/view/277/44/

Marte fu il nostro satellite naturale fino a poche migliaia di anni fa?
http://www.pianetamarte.net/

QUANTAVOLUTION & CATASTROPHE
http://www.quantavolution.org/index.htm

The Great Dying
http://news.nationalgeographic.com/news/2001/02/0222_buckyballs.html

Estimate Asteroid Impact Effects Online
http://www.space.com/scienceastronomy/mystery_monday_040412.html

Earth Impact Effects Program
http://www.lpl.arizona.edu/impacteffects/

- su Galisteo.com
http://www.galisteo.com/scripts/tngscript/default.prl

- su Italia On Line
http://news2000.iol.it/index_rubrica.jhtml?ed=1936.jhtml&arg=argomento_rubrica5.jhtml

- su Republik.org
http://www.republik.org/ufo/tunguska.htm

- sul Sito dell'Università di Bologna:

Tunguska Home Page
http://www-th.bo.infn.it/tunguska/index.html

La Spedizione Italiana del 1991
http://www-th.bo.infn.it/tunguska/papers/saggiatore.html

Cosmologia e Fisica Quantistica
http://digilander.iol.it/OrigineUniverso/

The Official String Theory Web Site
http://superstringtheory.com/

The UW Eöt-Wash Group
http://mist.npl.washington.edu/eotwash/

Mirror Matter Mystery
http://news.bbc.co.uk/2/hi/science/nature/2463143.stm

The Mirror Matter Theory
http://www.ph.unimelb.edu.au/~foot/

NASA ADC Astronomical Catalogues
http://adc.gsfc.nasa.gov/adc-cgi/cat.pl?/catalogs/7/7158/

NASA ADC Astronomical Data Center
http://adc.gsfc.nasa.gov/

The Total Solar Eclipse of 11 August 1999
http://www.oma.be/KSB-ORB/INFO/intro_en.html

Astrobiology Magazine
http://www.astrobio.net/

CIFAS - Council of International Federation for Advanced Studies - Consiglio della Federazione Internazionale di Studi Avanzati
http://www.cifas.net/

Giant Waterworld Planets Could Harbour Life
http://www.rense.com/general49/dsndt.htm

Life may swim within distant moons
http://news.bbc.co.uk/2/hi/science/nature/2290005.stm

Life on Titan
http://www.bbc.co.uk/science/space/life/looking/titan.shtml

SETI Institute
http://www.seti-inst.edu/
http://www.setileague.org/general/whargus.htm

SETI Italia Official Web Site
http://www.seti-italia.cnr.it/

SETI in ITALY by Stelio Montebugnoli
http://www.seti-italia.cnr.it/Page%20Articles/Page03_SETIinITALY.htm

SETI@Home - The Search for Extraterrestrial Intelligence at Home
http://setiathome.ssl.berkeley.edu/

Enciclopedia dei Pianeti Extrasolari
http://exoplanet.eu/

Exoplanet - Planet outside of our Solar System - Exoplanets are "extrasolar planets"
http://exoplanet.org/

AAVSO American Association of Variable Star Observers
http://www.aavso.org/

CBAT Central Bureau for Astronomical Telegrams
http://cfa-www.harvard.edu/cfa/ps/cbat.html

CFA Center for Astrophysics
http://cfa-www.harvard.edu/

GRB Gamma-Ray Burst Network
http://www.aavso.org/grb/

IAU International Astronomical Union
http://www.iau.org/

RAS The Royal Astronomical Society
http://www.ras.org.uk/

RASC The Royal Astronomical Society of Canada
http://planet10.v-wave.com/rasc/

ROG National Maritime Museum at Royal Observatory Greenwich
http://www.rog.nmm.ac.uk/

SAO Smithsonian Astrophysical Observatory
http://cfa-www.harvard.edu/sao-home.html

The Planetary Society
http://planetary.org/

How would the unprotected human body react to the vacuum of outer space?
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970603.html

Human Exposure to Vacuum
http://www.sff.net/people/geoffrey.landis/vacuum.html

NASA Mission Finder
http://www.nasa.gov/missions/index.html

NASA's Recent Missions Exploring the Solar System managed by JPL
http://perso.wanadoo.fr/prof.danglais/animations/planets/planets.swf

Astronomia su ECplanet - Quotidiano tecnologico e scientifico
http://www.ecplanet.com/canale/astronomia-9/asteroidi-112/0/0/17660/it/ecplanet.rxdf

CNN - Technology - Space
http://www.cnn.com/TECH/space/

SpaceDaily.com - Your Portal to Space
http://www.spacedaily.com/

What's New at the FAS Space Policy Project
http://www.fas.org/spp/whatnew.html

ESO European Southern Observatory
http://www.eso.org/

IAC Instituto de Astrofisica de Canarias
http://www.iac.es/

OAB Osservatorio Astronomico di Brera
http://www.mi.astro.it/

STSI Space Telescope Science Institute
http://oposite.stsci.edu/

Neave Planetarium
http://www.neave.com/planetarium/

SkyScout Personal Planetarium
http://www.skyscout.it/

Il Planetario di Milano
http://www.comune.milano.it/planetario/index.html

Ancient Floodwaters and Seas on Mars
http://www.psrd.hawaii.edu/July03/MartianSea.html

Earth, Venus and Mars
http://spot.pcc.edu/~aodman/earth,venus,mars/earthmarsvenusindex.htm

Making a Splash on Mars
http://science.nasa.gov/headlines/y2000/ast29jun_1m.htm

The Solar Wind at Mars
http://science.nasa.gov/headlines/y2001/ast31jan_1.htm

Astronautica su Startpagina.nl (La Home Page dei Paesi Bassi)
http://ruimtevaart.pagina.nl/

Astronomia su TIN.it (Telecom Italia Net)
http://www.tin.it/scienza/astronomia/

Coelestis - Il Forum Italiano di Astronomia
http://www.trekportal.it/coelestis/

IARA - Italian Amateur Radio Astronomy Group
http://www.iaragroup.org/

Dizionario dei termini astronomici
http://www.castfvg.it/zzz/ids/idsindex.html

Encyclopedia Astronautica
http://www.astronautix.com/

The Encyclopedia of Astrobiology, Astronomy, and Spaceflight
http://www.daviddarling.info/encyclopedia/ETEmain.html

Astronomy
http://www.astronomy.com/

COELUM ASTRONOMIA
http://www.coelum.com/

Il Cielo
http://www.mclink.it/com/biroma/ilcielo/

Orione
http://www.orione.it/

Sky & Telescope
http://skyandtelescope.com/

CelesTrak WWW
http://www.celestrak.com/

Satellite Sighting Information
http://spaceflight.nasa.gov/realdata/sightings/cities/index.cgi

SeeSat-L Home Page
http://www.satobs.org/seesat/seesatindex.html

Sources of Satellite "Two-Line" Orbital Elements (TLEs)
http://web.austin.utexas.edu/edcannon/elements.htm

The Salopian Web - Current NORAD Two-Line Element Sets
http://www.r-clarke.org.uk/keplers/elements.htm

Visual Satellite Observer's Home Page
http://www.satobs.org/satintro.html

JPL Solar System Exploration
http://sse.jpl.nasa.gov/

NASA Planetary Frequently Asked Questions (FAQs)
http://nssdc.gsfc.nasa.gov/planetary/planetaryfaq.html

The Nine Planets
http://www.seds.org/nineplanets/nineplanets/nineplanets.html

The Solar System
http://www.twcac.org/Tutorials/notes(5).htm

Views of the Solar System
http://www.solarviews.com/

Welcome to the Planets
http://pds.jpl.nasa.gov/planets/welcome.htm

Associazione Lunar Explorer Italia
http://www.lunexit.it/

Clementine Lunar Map 2.0 (Beta)
http://www.nrl.navy.mil/clm/

Lunar and Planetary Institute (LPI)
http://www.lpi.usra.edu/

Lunar Atlases (with Lunar Orbiter and Apollo Images)
http://www.lpi.usra.edu/research/la_home.html

Apollo By The Numbers: A Statistical Reference
http://history.nasa.gov/SP-4029/Apollo_00_Welcome.htm

Apollo Mission Control Photo Plus
http://www.apollomissionphotos.com/

The Apollo Program
http://www.nasm.si.edu/collections/imagery/Apollo/apollo.htm

MESSENGER Web Site
http://messenger.jhuapl.edu/

Does life exist on Venus and on the other worlds of the solar system?
http://www.vt-2004.org/Background/Infol2/EIS-D8.html

Immagini di Venere (Astrofili Trentini)
http://www.astrofilitrentini.it/tnp/pxvenus.html

Magellan Mission to Venus
http://www.jpl.nasa.gov/magellan/

The Soviet Exploration of Venus
http://www.mentallandscape.com/V_Venus.htm

Venera 9 and 10
http://www.russianspaceweb.com/venera75.html

Venere (Circolo Astrofili Talmassons)
http://www.castfvg.it/sistsola/venere/venere.htm

Vita su Venere?
http://www.marsfriends.com/2002/marstreetjournal/news/settembre/mars_sett_039.htm

CMEX Center for Mars Exploration
http://cmex.ihmc.us/CMEX/index.html

CNN - Mars Life Signs - Aug. 6 1996
http://www.cnn.com/TECH/9608/mars.life.special/

CNN - Pathfinder image gallery - July 4 1997
http://www.cnn.com/TECH/9707/04/pathfinder.pics.color/index.html

Google Mars
http://www.google.com/mars/

Il Mistero della Sfinge di Cydonia Mensae
http://digilander.iol.it/cydonia/
http://www.pianetamarte.com/

JPL Picture Archive: Mars Exploration
http://www.jpl.nasa.gov/pictures/solar/marsexploration/

Licheni su Marte? - Color and Feature Changes at Mars Viking Lander Site
http://mars.spherix.com/color/color.htm

Marsfriends Mars Society San Marino
http://www.marsfriends.com/

Mars Global Surveyor MOC Image Gallery
http://www.msss.com/moc_gallery/

Mars Global Surveyor MOLA Immages
http://svs.gsfc.nasa.gov/imagewall/MOLA/mola_images.html

Mars Global Surveyor - Welcome to Mars!
http://mars.jpl.nasa.gov/mgs/index.html

Mars Missions
http://marsweb.jpl.nasa.gov/

Mars Polar Lander Official Website
http://mars.jpl.nasa.gov/msp98/

Matthew Johnson's Terraforming Method
http://www.redcolony.com/art.php?id=0401240&printer=true

MSSS MGS MOC Image Release Directory
http://mars.jpl.nasa.gov/mgs/msss/camera/images/index.html

NASA's Problems with Colors on Mars
http://www.marslife.com/colormenu.htm

Red Colony
http://www.redcolony.com/

Support For Critical Role Of Carbon Dioxide On Mars Grows
http://www.spacedaily.com/news/mars-water-science-02b.html

TES Thermal Emission Spectrometer Project Homepage
http://tes.la.asu.edu/

The Enterprise Mission
http://www.enterprisemission.com/index.html

The World Dream Bank - Blue Mars
http://www.worlddreambank.org/M/MRZINDEX.HTM

What's New with Life on Mars
http://www.fas.org/mars/index.html

ASTEROID COULD END WORLD MONDAY
http://www.tmgnow.com/repository/global/phaeton.html

PHAETON THE LOST PLANET
http://www.ldolphin.org/unruh/planet/

A Study in Anger in The Name of Science and Pride
http://www.tmgnow.com/repository/secret/velikovsky.html

Dawn Mission Home Page
http://dawn.jpl.nasa.gov/
http://www.dawn-mission.org/

Near Earth Asteroid Rendezvous Mission
http://near.jhuapl.edu/

99942 Apophis, appuntamento nel 2029
http://www.fis.unipr.it/~albino/asteroidi/apophis.html

Apophis contro la Terra: una deflessione è possibile
http://www.uai.it/index.php?tipo=A&id=993

Apophis l'asteroide-killer della Pasqua 2036
http://www.corriere.it/Primo_Piano/Scienze_e_Tecnologie/2005/12_Dicembre/07/apophis.shtml

APOPHIS RISCHIO COLLISIONE
http://blogs.cjb.net/raccontieueuropei/57699/

Software: Small Asteroid Impact
http://www.fis.unipr.it/~albino/asteroidi/small_asteroid_impact.html

Anton Vamplew: Asteroid News
http://www.captaincosmos.clara.co.uk/asteroids.html

Can an asteroid have an atmosphere?
http://www.astronomycafe.net/qadir/q1457.html

International Meteor Organization
http://www.imo.net/

Selected Asteroids
http://www.geocities.com/zlipanov/selected_asteroids/selected_asteroids.html

The Asteroid Orbital Elements Database
ftp://ftp.lowell.edu/pub/elgb/astorb.html

List of the Potentially Hazardous Asteroids (PHAs)
http://cfa-www.harvard.edu/iau/lists/Dangerous.html

MPC Minor Planet Center
http://cfa-www.harvard.edu/cfa/ps/mpc.html

PHA Close Approaches to the Earth
http://cfa-www.harvard.edu/iau/lists/PHACloseApp.html

The Near Earth Objects (NEOs) Page
http://cfa-www.harvard.edu/iau/NEO/TheNEOPage.html

NEO Program Home Page
http://neo.jpl.nasa.gov/

- Programma di Simulazione delle Orbite
http://neo.jpl.nasa.gov/orbits/

NeoDys - Near Earth Objects - Dynamic Site
http://newton.dm.unipi.it/cgi-bin/neodys/neoibo

The Palermo Technical Impact Hazard Scale
http://en.wikipedia.org/wiki/Palermo_Technical_Impact_Hazard_Scale

The Torino Scale
http://en.wikipedia.org/wiki/Torino_scale

First asteroid trio discovered (Rhea Sylvia, Romulus et Remus)
http://edition.cnn.com/2005/TECH/space/08/11/asteroid.trio/index.html

Near-Earth Asteroid Distribution
http://echo.jpl.nasa.gov/~lance/radar_detected_neas_summary/nea.radar.aei.html

The Report of the UK Task Force on NEOs
http://www.nearearthobjects.co.uk/index.cfm

Asteroids by Number
http://www.fourmilab.ch/yoursky/catalogues/asteroid_numbers.html

Named Asteroids
http://www.fourmilab.ch/yoursky/catalogues/asteroid_names.html

Wikipedia
http://it.wikipedia.org/wiki/4_Vesta

Wikipedia
http://it.wikipedia.org/wiki/Cerere_(astronomia)

Lists and Plots: Minor Planets
http://cfa-www.harvard.edu/iau/lists/MPLists.html

Minor Planets
http://www.matessa.org/~mike/minor.html

Size comparison of Ceres, other objects in the asteroid belt, and Mars
http://www.space.com/images/050907_ceres_size_02.jpg

The Most Beautiful Images of CERES from the Hubble Space Telescope
http://www.kk-system.co.jp/Alpo/kk05/o050907z.htm

Wikipedia
http://it.wikipedia.org/wiki/2_Pallas

Atmosfera gioviana: temperatura e pressione rilevate dalla Galileo Probe (1995)
http://www.solarviews.com/raw/craft/013sei.jpg

CICLOPS: The Cassini Imaging Page
http://ciclops.lpl.arizona.edu/

Europa landscapes from Galileo Images
http://www.arrakis.es/~potosi/Europa3D.html

Galileo Home Page (JPL)
http://www.jpl.nasa.gov/galileo/

Galileo Immages of Io
http://pirlwww.lpl.arizona.edu/Galileo/Releases/

Galileo Probe suggests planetary science reappraisal
http://www.solarviews.com/eng/galpr3.htm

GAT - Lettera 71 Giove e la Galileo
http://www.gruppoastronomicotradatese.it/lettere/lett71.htm

JPL Picture Archive: Cassini/Galileo images of Jupiter
http://www.jpl.nasa.gov/pictures/jupiter/

JPL Picture Archive: Galileo images of the Jovian Moons
http://www.jpl.nasa.gov/pictures/jovianmoons/

Jupiter Millennium Flyby - December 30, 2000
http://www.jpl.nasa.gov/jupiterflyby/

Cassini/Huygens - Bollettino ESA #92
http://esapub.esrin.esa.it/bulletin/bullet92/b92kohlh.htm

Cassini/Huygens - Sito Ufficiale JPL-NASA
http://www.jpl.nasa.gov/cassini/

Cassini/Huygens - Sito Ufficiale ESA
http://sci.esa.int/huygens/

Wikipedia
http://it.wikipedia.org/wiki/Centauro_(astronomia)

Wikipedia
http://it.wikipedia.org/wiki/2060_Chiron

Wikipedia
http://it.wikipedia.org/wiki/Urano_%28astronomia%29

Wikipedia
http://it.wikipedia.org/wiki/Nettuno_(astronomia)

La nuova categoria dei Plutoidi
http://www.astronomia.com/2008/06/13/la-nuova-categoria-dei-plutoidi/

TNO Trans-Neptunian Objects
http://www.johnstonsarchive.net/astro/tnos.html

Wikipedia:

- Trans-Neptunian Objects
http://en.wikipedia.org/wiki/Trans-Neptunian_object

- Dwarf Planets
http://en.wikipedia.org/wiki/Dwarf_planets

- Mesoplanets
http://en.wikipedia.org/wiki/Mesoplanet

Wikipedia
http://it.wikipedia.org/wiki/2004_DW

HST Images of the Surface of Pluto
http://oposite.stsci.edu/pubinfo/PR/96/09.html

NASA - New Moons of Pluto
http://science.nasa.gov/headlines/y2005/01nov_moonsofpluto.htm

NASA's Hubble Reveals Possible New Moons Around Pluto
http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/19/

New Horizons
http://pluto.jhuapl.edu/

NSSDC Photo Gallery of Pluto
http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-pluto.html

Pictures of Pluto and Charon
http://seds.lpl.arizona.edu/nineplanets/nineplanets/pxpluto.html

Planetary FAQs su Plutone
http://nssdc.gsfc.nasa.gov/planetary/planetaryfaq.html#Pluto

Pluto-Kuiper Express @ JPL Web Site
http://www.jpl.nasa.gov/ice_fire/pkexprss.htm

Pluto-Kuiper Express @ NSSDC Web Site
http://nssdc.gsfc.nasa.gov/nmc/tmp/PLUTOKE.html

Plutone su Solarviews
http://www.solarviews.com/eng/pluto.htm

Plutone su The Nine Planets
http://www.seds.org/nineplanets/nineplanets/pluto.html

Plutone su Windows to the Universe
http://www.windows.ucar.edu/cgi-bin/tour_map.cgi?link=/pluto/pluto.html&sw=false&sn=1&d=/pluto&edu=mid&br=graphic&back)/pluto/pluto.html&cd=false&tour=&fr=f

Plutone sul Sito di Marc W. Buie del Lowell Observatory
http://www.lowell.edu/users/buie/pluto/pluto.html

Save the Pluto-Kuiper Express Campaign Website
http://www.plutomission.com/

Welcome to the Pluto Home Page
http://lasp.colorado.edu/~bagenal/1010/SESSIONS/17.PlutoCharon.html

How Big Is 2001 KX76?
http://apod.nasa.gov/apod/ap010830.html

Kuiper Belt Object Found Possibly As Large As Pluto's Moon
http://www.noao.edu/outreach/press/pr01/pr0110.html

Varuna: Discovery Brightens Odds of Finding Another Pluto
http://www.space.com/scienceastronomy/solarsystem/pluto_varuna_010523.html

Wikipedia
http://it.wikipedia.org/wiki/2003_EL61

Does a Tenth Planet Orbit Our Solar System?
http://www.spacetoday.org/SolSys/KuiperBelt/Quaoar.html

Quaoar: Largest Solar System Object Since Pluto
http://www.space.com/scienceastronomy/quaoar_discovery_021007.html

"Makemake" il Creatore di Mondi
http://www.segnidalcielo.it/makemake.html

Ecco a voi Makemake
http://www.astronomia.com/2008/07/24/ecco-a-voi-makemake/

Discovery of a Large Kuiper belt object with an Unusual Orbit
http://www.cfeps.astrosci.ca/4b7/index.html

Oddball object circles sun beyond Neptune
http://edition.cnn.com/2005/TECH/space/12/16/space.buffy.reut/index.html

Santa & Xena: Leading Scienticians Discover Tenth and Eleventh Planets
http://randomurl.com/index.php?s=xena

The discovery of 2003 UB313, the 10th planet
http://www.gps.caltech.edu/~mbrown/planetlila/

Wikipedia
http://en.wikipedia.org/wiki/2003_UB313

Xena, il pianeta che può declassare Plutone
http://www.ilgiornale.it/a.pic1?ID=18951

Sedna: Planet-Like Body Discovered at Fringes of Our Solar System
http://www.nasa.gov/vision/universe/solarsystem/planet_like_body.html

Nemesis la Stella oscura
http://www.segnidalcielo.it/nemesis_stella_oscura.html

NSA's Deep Space Probes?
http://www.rense.com/ufo6/nsaprob.htm
http://psychicspy.com/nsaprob.html

PLANET X, NIBIRU, ANCIENT ASTRONAUTS, NASA, MARS, EARTH
http://xfacts.com/xnews/index.html

SECRETUM OMEGA
http://www.secretum-omega.com/

- Intervista al Gesuita - Roma, 2001 - di Cristoforo Barbato
http://www.secretum-omega.com/intervista.html

- SILOE, un'inviata molto speciale (di Giorgio Pattera)
http://www.tg0.it/doc.php?foglio=2&doc=122

VULCAN, COMETS AND THE IMPENDING CATASTROPHE
http://www.barry.warmkessel.com/barry/index.html

- Earth's Bleak Future
http://www.barry.warmkessel.com/barry/SynopsisComet.html

- New Solar Planets (Vulcan/Nemesis connections: XENA, Nibiru & SILOE)
http://www.barry.warmkessel.com/barry/1related.html

Comet Hale-Bopp
http://www.halebopp.com/

Hale Bopp and Andromeda
http://antwrp.gsfc.nasa.gov/apod/ap970401.html

Comet Linear S4 erupts violently as Hubble watches
http://edition.cnn.com/2000/TECH/space/07/28/hubble.comet/index.html?iref=newssearch

SolStation
http://www.solstation.com/

Notable Nearby Stars
http://www.solstation.com/stars.htm

Angelo Veronesi Scientific Homepage
http://www.geocities.com/CapeCanaveral/Lab/6008/

Astronautica sul Sito di Diego Bonata
http://www.vialattea.net/bonata/astronautica.htm

Astronomy with Peter Enzerink
http://www.enzerink.net/peter/astronomy/

Dave's Astronomy Page
http://www.astroccd.freeserve.co.uk/Observatory.htm

Jeff De Tray's Astronomy Boy Website
http://www.astronomyboy.com/

Jim Shields' Website
http://www.angelfire.com/id/jsredshift/

Ray Cash's Deep-Sky Page
http://members.aol.com/anonglxy/deepsky.htm

The Worlds of David Darling
http://www.daviddarling.info/

Astroart Image Processing - MSB Software
http://www.msb-astroart.com/

Celestia: A 3D Space Simulator
http://shatters.net/celestia/index.html

SkyMap Software
http://www.skymap.com/

Achernar the Flat Star
http://www.quakefinder.com/news/space.com-7-1-03/Astronotes%20The%20inside%20scoop%20on%20the%20Universe%20at%20large.htm

ESA TV
http://television.esa.int/default.cfm

NASA TV
http://www.nasa.gov/multimedia/nasatv/

NASA - Mercury Crossing Paths with the Sun
http://www.nasa.gov/vision/find/Mercury_Transit.html

Absolute Astronomy
http://www.absoluteastronomy.com/

Ambit NASA LIVE Cams and Mission Displays
http://www.geocities.com/SiliconValley/1080/nasacams.html

Astronomia per tutti - Livello avanzato - Indice
http://www.pd.astro.it/MOSTRA/NEW/A0000IDX.HTM

Astronomia su 100Links.com
http://100links.com/archivio/000724.html

Balle spaziali? L'Uomo non è mai atterrato sul suolo lunare!!
http://www.wema.com/pillole/pillole_nasa1.htm

BAUT - Bad Astronomy and Universe Today Forum
http://www.bautforum.com/

Blue Moon Mania
http://studentorgs.utexas.edu/astro/SPECTRUM/oct01/features.html

Calendario Perpetuo per mese (con fasi lunari ed altri fenomeni astronomici)
http://www.liceofoscarini.it/didattic/astronomia/astro/calendarmese.phtml?&Oggi=+Oggi+

I Pianeti Ipotetici
http://www.arcibalbo-santarcangelo.it/meccanica_ipotetica_uno.htm

Northern Lights - Aurora Borealis Information
http://www.delmarfans.com/northern-lights/

Orion's DeepMap 600
http://www.raycash.us/astroimages/dm600.htm

Selezione via Web di Futuri Astronauti
http://www.encounter2001.com

Sistema di Allerta sulle Aurore Boreali
http://www.geocities.com/agambaros/Aurora01.htm

Space Travel - Exploration and Tourism
http://www.space-travel.com/

StarDate Online - Your Guide to the Universe
http://stardate.org/

The Astronomy Net
http://www.astronomy.net/

The JPL's "Basics of Space Flight" - on-line tutorial
http://www.jpl.nasa.gov/basics/

The NGC/IC Project
http://www.ngcic.org/

The Size of Our World
http://www.rense.com/general72/size.htm

Windows to the Universe
http://www.windows.ucar.edu/