ASTROPRO
NETSELECT DIRECTORY: SOLAR SYSTEMASTROPRO
NETSELECT DIRECTORY: SOLAR SYSTEM
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Change being the only constant, it's the Tao of the Web that sites move and go down. Please let me know if you run across a link here that no longer works. (You can click on the email button at the bottom of this page if you like.) Thanks!
Barycenter
- Do Planets Affect Sunspot Cycle?
- "Dr. Magneto" simply defines and addresses the barycenter of the solar system here.
- Solar Retrograde Motion
- Good introductory article on the solar system barycenter, specifically its possible bearing on terrestrial climate cycles
Comets
Comet 1995 01 Hale-Bopp
- Comet Hale-Bopp and the Total Solar Eclipse of 1997
- Comet Hale-Bopp Photo Gallery
- European Southern Observatory Comet Hale-Bopp Page
- Information on Comet Hale-Bopp for the Non-Astronomer
- Includes Hale-Bopp finder charts to help locate the comet in the night sky
- Ireland, Dale - Comet Page
- Finder charts, images and more from amateur astronomer Dale Ireland - includes Hale-Bopp plus other comets
- Near Live Comet Watching System
- View near real-time images of Hale-Bopp courtesy of NASA.
Miscellaneous
- About Comets
- National Optical Astronomy Observatories' comet page.
- Asteroid & Comet Impact Hazards
- "The Earth orbits in a cosmic shooting gallery." This NASA site details attempts to track the bullets.
- Asteroids and Comets
- Blast from the Past Home Page
- This National Museum of Natural History site is a resource on the comet/asteroid strike believed to have been responsible (at least partially) for the extinction of the dinosaurs some 65 million years ago.
- BRIGHT COMET CHRONICLES - Bortle, John (W.R. Brooks Observatory)
- Brief accounts of all comets between 1800 and 1997 which attained an observed maximum brightness of +2 or greater. Includes celestial position, approximate magnitude, and physical appearance of each comet.
- Comet Observation Home Page
- Lots of images here, with sky maps to help you observe comets and ephemerides (in RA/declination) for the major ones.
- CTH 3D Comet Impact Simulations
- What would happen if a comet hit earth? See it here.
- SKY Online's Comet Page
- Small Comets
- "Every few seconds a 'snowball' the size of a small house breaks up as it approaches Earth and deposits a large cloud of water vapor in Earth's upper atmosphere:" Or so the theory goes; this University of Iowa site tracks 'em.
Meteors & Meteorites
- Leonid '98 Meteor Outburst
- NASA's Leonids site, well worth seeing - includes history, images, news & links.
- Leonid Meteor Shower
- Comets & Meteor Showers
- Information and history on over 120 major and minor meteor showers - excellent!
- Meteorites, Meteorites and Impacts
- Good primer, includes meteor shower dates.
- Scientific American: The Day the Sands Caught Fire
- Excellent article from their NOV 1998 issue about impact craters in Saudi Arabia from a meteor strike which may have occurred as recently as the late 19th Century.
- Tunguska - the Cosmic Mystery of the Century
- Details on the 1908 Tunguska impact - including the latitude & longitude (101E54, 60N53) - believed to be the biggest meteor strike on Earth in the past 2000 years . . . or maybe something else.
- Tunguska - University of Bologna
- Ongoing research into the event, which took place at 00:14:28 GMT JUN 30, 1908.
- Tunguska Catastrophe Event
- Includes photographic reproductions of seismogram, barogram and magnetogram data for the event
Moon (Earth's)
- Clementine Detects Possible Ice in Lunar Pole, Astrogram, 12-13-96
- They found water on the moon, it seems. Now I'm sure the EPA will want it chlorinated.
- Earth & Moon in Space - The Barycenter Correction
- Clear & simple illustrated explanation of the Earth-Moon barycenter
- Lunar phases web tool
- An online tutorial on lunar phases - pay attention, because there's a quiz at the end!
- Lunar & Planetary Institute
- Excellent orientation and reference site
- The Moon Illusion Explained
- Prof. Don McCready explains the optical illusion which makes the Moon look larger when near the horizon: very detailed, as close to the last word on the subject as you'll find anywhere online.
Planets
Alignments
- Harmonic Con(game)vergence
- Phil Plait gives you the low-down on that 5/5/2000 nonsense.
- Planetary Conjunctions
- Brian Monson's excellent summary of major planet alignments, clearly illustrated and with lots of invaluable links
Earth
- Seasons & the Earth's Orbit
- Excellent summary of the Milankovitch Cycles
Hypothetical
- Hypothetical Planets
- Paul Schlyter summarizes what's known about several hypothetical planets (and moons), including Vulcan and Nemesis.
- Matese, John J.
- Professor Matese (Physics, U of LA at Lafayette) explains his theory on the possibility of a 'brown dwarf' in the Oort Cloud: very highly recommended.
- The Nemesis Hypothesis
- Mike Morgan outlines the pros and cons for Nemesis: check back on occasion to see if he fills it in, because only two of the headings had any information when last I checked (OCT 8, 1999).
Jupiter
- Ganymede - New Images from Galileo
- This NASA site showcases the latest Galileo images of Ganymede, Jupiter's largest moon (and the largest known moon in the solar system).
- Jupiter Fact Sheet
- The essentials, from the National Space Science Data Center (NSSDC)
Mars
- Mars Atlas home page
- A zoomable and scrollable atlas of Mars
- Mars Global Surveyor Home Page
- Home page for NASA's Mars missions in the year 2000 and beyond
- NASA Live from Mars
- The latest from the Mars Global Surveyor spacecraft
- NASA-Ames Mars GCM Group Homepage
- What's the weather like on Mars?
Miscellaneous
- Lunar & Planetary Institute
- Excellent orientation and reference site
- Nine Planets
- Multimedia presentation on the solar system
- Planetary Photojournal
- NASA's searchable image archive
- Solar System Live
- John Walker's interactive orrery allows you to see positions of the planets in our solar system for whatever date you input.
- Sun2000.com
- An alternative theory of the principles of planetary motion - with ideas about piloting earth out of its present orbit. Sci fi, fantasy - who knows?
Planets, Minor
Miscellaneous
- Asteroid & Comet Impact Hazards
- Courtey of NASA's Ames Space Science Division, your worst nightmare.
- Asteroid Occultation
- Software and more on asteroid occulation
- Asteroids and Comets
- Lots of info on asteroids & comets here, including various space missions to investigate them.
- Close Earth Approaches of Asteroid 1999 AN10
- Details on the asteroid scheduled for an Earth-grazing pass at our home planet in 2039, from two of its co-discoverers.
- The LINEAR Project
- Website of the Lincoln Near Earth Asteroid Research (LINEAR) at the Project MIT Lincoln Laboratory on the White Sands Missile Range in Socorro NM, funded by the USAF to detect Near Earth Asteroids (aka NEO, for Near Earth Objects) that threaten Earth.
- List Of The Potentially Hazardous Asteroids (PHAs)
- Anyone of these suckers could ruin your day - and there are SCADS of 'em, not to mention those we don't even know about yet.
- Near Earth Asteroid Tracking Site
- These folks keep track of earth-grazing asteroids. Check here for the latest news & info.
- SPACEWATCH PROJECT
- A U of Arizona project to detect comets and asteroids that could strike Earth
Reference
- IAU: Central Bureau for Astronomical Telegrams
- The place to go to get - report, even! - the latest info on newly discovered minor planets. Here you'll find orbital elements, RA/declination ephemerides and more. Way to go, Brian Marsden!
- IAU: Minor Planet Center
- Check here for latest news & specs on minor planets.
- IAU: Small Bodies Names Committee
- Chiron and several other objects display characteristics of both minor planets and comets. Find out more in this report on "Cross Listed Objects".
Specific
1996TL66
- 1996 TL66 Ephemeris
- R.A./Declination
- MPEC 1997-B18: 1996 TL66
- Orbit of 1996 TL66
- A graphic plot of its orbit
1997 XF11
- 1997 XF11 Discovery Photo & Data
- Astronomer Jim Scotti's actual discovery photo (with timed data, 11:20:04 UT) of asteroid 1997 XF11 - from the University of Arizona's Kitt Peak Observatory.
- 1997XF11 orbit plot from IAU
- GIF image 690x701 pixels
- IAUC 6839: 1997 XF11 - Orbital Elements
- NASA: Asteroid 1997 XF11 will miss Earth in 2028
- NASA's press release predicting a clean (but close by astronomical standards, within about 600,000 mi.) miss by asteroid 1997 XF11 in 2028
1999AN10
- 1999 AN10
- Orbital elements and five day ephemeris from the IAU Minor Planet Center
- 1999 AN10--Daily Ephemeris
- From the IAU Minor Planet Center
- The Case of NEO 1999 AN10
- This Apollo could ding the Earth big time in 2039 . . . and then again, maybe not. Read all about it at this NASA site. Then pray.
- MPEC 1999-B03: 1999 AN10
- The MPEC (Minor Planet Eelectronic Circular) with discovery data, orbital elements and more for 1999 AN10.
Chiron
- Chiron Information and Documentation
- Maybe the Web's single best source of Chiron information
Pluto
- Buie, Marc: Pluto IS a Planet
- Marc Buie of the Lowell Observatory makes a case for Pluto retaining planetary status.
- Buie, Marc: Pluto Research
- Includes Pluto's perihelion data (12:00 UT SEP 5, 1989), plus data on the span when Pluto was nearer the Sun than was Neptune (10:44 UT FEB 7, 1979 - 11:22 UT FEB 11, 1999) and links to much more
Saturn
- Saturn Fact Sheet
- The essentials, from the National Space Science Data Center (NSSDC)
Solar System (General)
- Solar System Simulator
- Select any point in the solar system, view it from any other selected point for any date from 1600 to 2399 CE. Part of the NASA/JPL/Caltech Space Library website (see below)
- Space Library
- NASA's Space Library features maps of planetary surfaces, a solar system simulator that shows planet positions for any date you select, stellar positions, asteroid info and MUCH more!
- Walk the Solar System
- Got JavaScript? Build a scale model of the solar system online here!
- Your Weight On Other Worlds
- Got JavaScript? Find your weight on other planets at this Exploratorium site!
Sun
- The Changing Sun
- This Lockheed Martin site features sunspots, solar X-Rays and magnetism, plus lots of links to other solar resources on the Web.
- Sunspot Index Data Center
- Get sunspot counts daily, monthly, yearly (back to 1700).
- Sunspots & The Solar Cycle
- Get sunspot counts daily, monthly, yearly (back to 1749); plus amply illustrated and clearly written articles explaining solar physics.
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Richard Nolle, Certified Professional Astrologer consultations/orders (MasterCard/Visa only) 1-800-527-8761 phone/fax 480-753-6261 - email rnolle@astropro.com Box 26599 - Tempe, AZ 85285-6599 - USA on the World Wide Web at http://www.astropro.com |
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