NASA's Astronomy Picture of the Day
Skylights
Stars of the Week
Spectra
Celestial Sphere (by Jim Kaler)
Culture:
Historical Time Line
Days of the week
Definition of Planet (Wikipedia)
Transneptunian objects
Largest Transneptunian objects
Starry Night (Vincent Van Gogh)
Vincent (Starry Starry Night) by Don McLean
Antikythera (Greece)
Antikythera, main fragment
Antikythera, main fragment(1036x924)
Antikythera, 82 fragments
Antikythera schematic
Antikythera reconstruction(medium resolution)
Antikythera reconstruction(1000x1802 jpeg)
Antikythera article in Nature
Islamic lunisolar mechanism
Simulations:
Powers of 10
Lunar Phases
Retrograde Motion
Kepler's Laws
Fusion in the Sun
1 over R squared
HR diagram simulator
Eclipsing Binary
Proper Motion
Parallax
Doppler Effect
Blackbody Radiation
Eclipses:
NASA's Eclipse page
Lunar Eclipses through 2012
Total Lunar Eclipse of October 27-28, 2004
Total Lunar Eclipse of March 3, 2007
Total Solar Eclipses 2001-2025
total solar eclipse of February 26, 1998
total solar eclipse of August 11, 1999
in Europe ,
The Middle East,
and Asia
total solar eclipse of March 29, 2006
Annular Solar Eclipses 2001-2025
annular solar eclipse of May 10, 1994
(in the shade of trees)
Earth:
Earth
Half disme
nickel
Indonesian tsunami
Mt. St. Helens,
eruption video,
life returning
Great Rift Valley,
(map)
ring of fire
Anak Krakatau (Krakatoa)
Interactive earthquake map
2/9/1971 San Fernando (Sylmar) earthquake 6:00AM, 6.6m, 65 deaths
(LA Dam)
damage photos
10/17/1989 Loma Prieta earthquake, 7.0m, 67 deaths, 1989 World series
(Bay Bridge)
(Cypress St. viaduct)
faults
crack
1/17/1994 Northridge earthquake, 6.7m, 57 deaths (see slide show)
10/8/2005 Pakistan earthquake, 7.6m, 23,000 deaths
5/12/2008 Sichuan (China) earthquake, 7.9m, 69,136 deaths
Mauna Loa, a shield volcano
Life (DNA)
build an amino acid
20 amino acids
Moon:
NASA's Moon page
Lunar farside (portion)
Chain of secondary craters (from Copernicus)
Space Oddity(fragment)
Space Oddity(animation, complete)
Apollo 11(The Eagle has landed, part 2 of 3)
NASA Apollo 11 Video Library
NASA Apollo 15 Video Library; throwing demo
NASA Apollo 16 Video Library; Young speeds in rover
NASA Apollo 17 Video Library; drops sack; play soccer
Mercury:
Mercury/Hermes, the winged messenger
NASA's Mercury page
Mercury near superior conjunction (Nov. 1999)
ecliptic plane with Mercury, Mars, Saturn (Clementine)
Mercury transit in x-rays
Venus:
Venus/Aphrodite/Ishtar
NASA's Venus page
Crescent Venus
Venus in visible light (Cassini)
Venus/Jupiter double occultation
Venus in UV light
Venus in visible light (Galileo)
Venera 9 lander
Venera 10 lander
Venera 13 lander (color)
Venera 14 lander
pancake domes
Wheatley impact crater
lava channels
Mars:
Mars/Ares
NASA's Mars page
Mars Pathfinder Landing Strategy
view of Mars Pathfinder from Sojourner
Sojourner
Sojourner approaching Yogi or rolling over a rock
names of rocks around Pathfinder
Launch of Mars Express
topographic map (Mars Orbiter Laser Altimeter)
Orbital view of Spirit rover and its tracks
Orbital view of Opportunity rover
Spirit views layered rock "Teti"
Cahokia panorama (Spirit)
"ripples" near Endurance crater (Opportunity)
If I go down into Endurance crater will I ever get out again? (Opportunity)
Mars Global Surveyer Image Gallery
MGS approach movie
changing south polar cap
Valles Marineris simulated flyby(15,61,416MB)
Opportunity two and a half years later
landslide
gully deposits
new gully deposit
Opportunity traverse map
Spirit traverse map
Jupiter:
Jupiter
NASA's Jupiter page
Raw image (with Io)
Color image (with Ganymede and Callisto)
Io in b/w,
color,
detail (caldera)
Europa
Ganymede in b/w,
color,
close up,
close up,
crater
Callisto,
detail,
detail,
detail
comet Shoemaker-Levy 9 approaching Jupiter
Shoemaker-Levy 9 impact blemishes
Saturn:
Saturn
NASA's Saturn page
Saturn with Enceladus, Dione, Tethys
atmospheric detail
rings (with spokes)
Mimas,
close up
Dione,
close up
Rhea,
close up
Tethys
Enceladus
Cassini:
...Cassini gravity assists
...Cassini tour dates
...Cassini photojournal
Many of the following are moderate resolution jpeg files.
To obtain higher resolution versions, replace "jpegMod" by "jpeg"
and remove "_modest" from the URL.
For caption and other options, if any, replace "jpegMod" by "catalog"
and remove "_modest.jpg" from the URL.
......spacecraft,
......launch,
......launch movie (MPEG)
......Jupiter along the way
......Saturn belts and zones,
......Saturn swirl,
......Dragon storm,
......Saturn vortices
......Saturn southern atmosphere + Enceladus,
......Saturn auroras (UV)
......Titan Virtual tour(Flash, with interactive 3D globe)
......Titan, natural color
......Titan haze,
......Titan haze,
......Titan weather
......hydrocarbons
......Huygens descent to Titan video (Quicktime 11 MB)
......Huygens high resolution movie(WMV 156 MB)
......Huygens landing site,
......Huygens descent (river channels),
......Huygens view of Titan surface
......Titan diverse geology (radar),
......Titan crater (radar)
......Titan surface (IR),
......Titan ice volcano (IR),
......Titan surface through murk (IR),
......Titan surface (UV/IR)
......Cassini division, A ring far right,
......Cassini division and cause (Mimas)
......A ring density waves, due to Janus and Pandora
......B ring detail,
......sunlight glints off B ring
......ringlet in Enke gap,
......Pan in Enke gap,
......clumpy ringlet in Enke gap
......C-ring,
......C-ring,
......C ring
......Keeler gap moonlet
......Pandora with F ring,
......F ring gored by Prometheus,
......F ring clump (gif)
......Prometheus and Pandora near ring plane
......Phoebe,
......Phoebe & Argonauts
......Dione with ring & ring shadows,
......Dione,
......Dione,
......Dione fractures,
......Dione,
......Dione
......Iapetus landslide
......Tethys
......Hyperion,
......Hyperion,
......Hyperion
......Rhea leading hemisphere with fresh ice
......Enceladus,
......Enceladus movie
......water on Enceladus(Flash)
Uranus:
Uranus
NASA's Uranus page
rings
Oberon
Ariel,
another view
Miranda,
another view
Titania
Neptune:
Neptune
NASA's Neptune page
with Great Dark Spot,
another view,
and another
Triton,
canteloupe terrain
Pluto:
NASA's Pluto page
Pluto and Charon
Planets, Asteroids, and Comets:
Asteroid 3753
Asteroid Gaspra
Asteroid Ida and its moon Dactyl
(or sharper B/W picture)
NEAR spacecraftpassing Mathilde,
approach to Eros (2/10/00)
and during final descent
Extrasolar planets,
graphical blowup,
51 Peg Doppler velocity
Terrestrial extrasolar planets
More complete list of extrasolar planets
Iron meteorite found in Canada;
Willamette meteorite;
Ahnighito meteorite
Stony meteorite from Arizona (part of a shower of about 14,000 stones)
also stony fragments from a Canadian fall
also Allende carbonaceous chondrite;
Murchison carbonaceous chondrite;
another piece
Stony-iron meteorite;
another
Map of Canadian falls and finds
Widmanstatten pattern in iron meteorite
Peekskill meteorite fireball
Tagish Lake meteorite
Sun:
Why Does the Sun Shine? "The Sun is a Mass of Incandescent Gas" (They Might Be Giants: 13:55-16:17)(lyrics:increase font!)
The Sun is a Mass ... (They Might Be Giants)
(lyrics)
Latest multi-wavelength image set (Solar Data Analysis Center)
Current H-alpha (Sac. Peak)
CaK image (Sac. Peak)
Archive picture (white light image 3/28/01 BBSO)
Archive picture (white light image 2/26/01 BBSO)
granulation (MPEG)
or (GIF)
Another H-alpha
or several choices (Global H-alpha network)
Sunspot numbers
or yearly average since 1610
or 1700-2002
or 1750-present
Eruptive prominence of 10/2/99
Prominence and Earth to scale
Movie of eruptive prominence
Movie of a transit of Mercury
Constellations:
Capricornus as stick figure or
patch of sky
Aquarius as stick figure or
patch of sky
Bootes as stick figure or
patch of sky
Constellation tour (Fremont High School, Michigan)
Constellation tour (SEDS)
Big Dipper (Ursa Major)
Other images:
Alexandria and Syene (Aswan), Egypt
Most distant galaxy known (NASA Hubble Space Telescope, Hubble Deep Field)
M15 (globular)
Eagle nebula pillars
Young stellar objects: changes and
jets and
more jets.
Brown dwarf GL 229B
CIA document on UFO's
hourglass nebula
NGC 4414
galaxies in Abell 2218
NGC 4038/4039 (Antennae galaxies) overview,
ground-based image,
HST image
Cartwheel galaxy
NGC 5426/5427
M51, Whirlpool galaxy
Hubble Deep Field
gravitational lensing
Links for observing sessions:
12 inch telescope
Weather satellite data:
Eastern US GOES 8 WV
nist.time.gov
leap seconds
Analemma
Arecibo
more
more
more
Effelsberg
GBT
JCMT
Allen Telescope Array
VLA
other radio telescopes
