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ASTRONOMY.com  Includes a special "For Beginners" section.

Black Holes  - They are nature's engines of destruction, deep and powerful gravity wells from which nothing - not even light - can escape.

SPACE.com  Space news, star news, antimatter news!

GLOSSARY OF ASTRONOMICAL & COSMOLOGICAL TERMS

Tutorial: Part 1 | Part 2 | Part 3 | Part 4
FAQ | Age | Distances | Bibliography | Relativity

Astronomy Glossary Glossary of technical terms and proper names

Glossary of Satellite Terms

Students for the Exploration and Development of Space (SEDS)

Open Directory - Science Astronomy Stars Binary Stars

Eclipsing Binary Stars

NASA Human Space Flight (HSF) - Realtime Data  

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NASA Thesaurus  A thesaurus which displays the associative and related terms for scientific words.  The main emphasis is placed upon space and physics related terms.  Terms are indexed alphabetically.

SAO Star Lookup

Galaxy Photography

Espenak's Eclipse Home Page

In Space - A collection of news, transcripts, features and forums which take you into our solar system and beyond.

Planet hunters net another six

[Sun] [Mercury] [Venus] [Earth] [Moon] [Mars] [Jupiter] [Saturn] [Uranus] [Neptune] [Pluto]

The Original Solar System
Using a Titius-Bode law for planetary spacing and extrapolating from the exploded planet hypothesis, the author infers the existance of 12 original planets in our solar system, of which only half remain today. ... major planet and natural moon formation, then solid planets will ... examine the theory of formation by fission and compare it ... From studies of lunar rocks it is now known that ...
www.metaresearch.org/solar%20system/origins/original-solar-system.asp
More pages from metaresearch.org 

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EDUCATOR: Elaine Lewis

• Ask Elaine a Question 

Elaine Lewis is the Curriculum Development Specialist of the Sun-Earth Connection Education Forum team. Her undergraduate degree is in American Studies and Elementary Education with an additional emphasis in science. She has two MAs in Curriculum Development and in Administration and Supervision. She has coordinated programs such as the NASA Educational Workshop, GLOBE, and the JASON Project. In 2000 she became a team member of the SECEF at NASA Goddard Space Flight Center.

SCIENTIST Sten Odenwald

• Ask Sten a Question
  mailto:odenwald@mail630.gsfc.nasa.gov
• Frequently Asked Questions

Dr. Sten Odenwald is an astronomer and award-winning author of popular books and articles on astronomy and space science. He is the DIrector of the NASA, IMAGE satellite education program, and collaborates with the NASA, SECEF program to help teachers understand space science and its human impacts. His 'Astronomy Cafe' website has been online for over 9 years, and contains over 3000 FAQs about astronomy, along with other unique astronomy resources.

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Where to Ask Questions

Space Science-related Questions

• Ask the Space Scientist The Earth's magnetic field, Northern Lights, solar wind, Sun-Earth connections, astronomy, cosmology.

• Ask a High-Energy Astronomer Black holes, quasars, dark matter.

• Ask Dr. SOHO The Sun, the solar system, and the SOHO spacecraft.
  http://sohowww.nascom.nasa.gov/explore/drsoho.html

• Ask Dr. Geospace The near-Earth environment, the aurorae
  http://www-spof.gsfc.nasa.gov/istp/outreach/drgeo.html

• Ask A Physicist Cosmic ray, heliospheric, and general physics.

• Live from Mars Questions to the men and women of the Mars team.

Earth Sciences

• Ask-A-Geologist. Volcanoes, earthquakes, mountains, rocks, maps, lakes, rivers.

• Ask an Earth Scientist. Natural workings, the Hawaiian Islands and the world.

Microgravity, Life Sciences

• Ask The Microgravity Scientist. The effects of microgravity on physical phenomena.

• Ask an Astrobiologist. Life on and off Earth.

Rockets, the Shuttle, Robotics

• NASA Human Space Flight Web FAQ Questions about astronauts, the shuttle, station.

• Robotics Frequently-Asked Questions Robotic systems, organizations, periodicals, and pointers to numerous other resources on the net.

Answers to other Frequently Asked Questions:

• Science Net Questions about anything scientific.

• Homework Help Questions about almost anything.

• NASA job information

• Frequently Asked Questions about NASA - including Apollo, aliens, buying stars.

• astronomy-related career info links at the American Astronomical Society

Ask-The-Scientists

A list of ask-the-scientist resources and FAQ's

• Ask Dr. SOHO for questions about the Sun, solar wind, and the Solar and Heliospheric Observatory. Now with a new list of Previously Asked Questions.
• Ask a Solar Physicist from the Stanford Solar Center, with FAQ.
• NOAA/Space Environment Lab - For questions relating to the effects of solar storms on space craft, power lines, human health, etc.
• Solar Flare Theory Page - Questions & Answers and answer list
• Mr. Sunspot's Answer Book at the National Solar Observatory.
• ACE's Ask a Physicist page should be good for questions relating to the composition of the Solar Wind.
• Space Weather FAQ from NOAA's Space Environment Center.
• Ask questions about the aurora in a chat room sponsored by a UC Berkeley Sounding Rocket project and the FUSE spacecraft. Very JAVA intensive.
• NASA mission related pages:
  • NASA Spacelink Frequently Asked Questions list.
  • NASA/Kennedy Space Center FAQ
  • NASA Human Space Flight Questions and Answers
  • Mars Q&A, including FAQ
  • Galileo Mission FAQ and Quest Jupiter FAQ
  • Questions and Answers about Saturn and the Cassini Mission
  • The NASA/Goddard FAQ with links to other NASA center FAQs.
• Ask a High-Energy Astronomer - From the High Energy Astrophysics Learning Center. They also have an archive of past questions.
• Ask-a-Space-Scientist - Dr. Sten Odenwald on the IMAGE program answers space science and astro questions. Includes an archive of past questions. The same person conducted the Astronomy Cafe
• Ask an Astronomer from Cornell University. A question and answer service with a searchable archive.
• Frequently Asked Questions About Being an Astronomer and about astronomyfrom the National Optical Astronomy Observatories.
• Astronomy Question & Answer - Get your astronomy questions answered by astronomy grad students at the U. Of Virginia. Includes an archive.
• Lick Observatory Ask an Astronomer: Includes a searchable list of old questions and an email address for new ones.
• Ask an Astronomer from New Mexico State U, includes a FAQ.
• Ask an Astronomer from the Institute for Astrophysics and Computational Science at the Catholic University of America.
• Lake Afton Public Observatory Ask-an-Astronomer
• Argonne National Lab has an ask the scientist service with an archive including an astronomy page.
• Hubble Quest Q&A list. they are not taking questions anymore, but there is an archive of past questions.
• Science Line offers to answer questions in all areas of science. They also have an archive of previously answered questions. There is even a telephone version of the service - if you are willing to call the number in the U.K.
• The MAD Scientist Network Ask-a-Scientist and Recently Answered Questions in all areas of science.
• Scientific American ask the Expert Page - Includes astronomy and physics sections, and thorough answers to selected question. High volume. Does not guarantee answers to all questions.
• I Wonder page from the Earth & Sky radio series. Q&A related to various branches of science.
• SCORE-Science Ask a Scientist, for questions on life, physical, earth-space, and environmental sciences. From the Humboldt County, CA Office of Education.
  http://scorescience.humboldt.k12.ca.us/fast/ask.htm
• ALCOMed Ask aScientist offers to answer questions on physics, chemistry, mathematics, computer science, polymer science, display engineering and information management. For K-12.
• Ask a Scientist Archive - Q&A from the usenet group
• Final Answers offers to answer any question. Emphasis on mathematics. Includes some previously answered questions.
• Usenet FAQs from...
  • sci.astro
  • sci.physics
• New Scientist: The Last Word - Archive of science question asked and answered by New Scientist readers
• Ask Dr. Universe from Washington State U. is willing to tackle all sorts of science questions. Archive of previous question.
• How Things Work. - A tie in site for the book How Things Work: the Physics of Everyday Life by Louis A. Bloomfield of the U of Virginia Physics Dept. Includes lists of previousely answered questions.
• Science Whatzit! - Answers to general science questions from the Oregon Museum of Science and Industry.
• And, of course, there is Ask Dr.Science... He knows more than you do!

Other Ask-the-Scientist lists:

• The Ask a + Locator for Ask an Expert on all sorts of topics.
• NASA's Office of Space Science's Where to Ask Questions
• The science section of Pitsco's Ask an Expert.
• The Science Club Ask the Scientist list.

The scientists listed in this part of S.C.O.R.E. have volunteered to answer questions in their special area of interest only. Since they are all busy working as scientists, they will answer your question as soon as they have time.

Please note: For the scientist to respond to your question you must have an e-mail address. If your browser is not configured to include your e-mail address please include it at the bottom of your question.

David Dearborn

Dr. Dearborn is a research physicist at the Lawrence Livermore National Laboratory who has worked extensively in NUCLEOSYNTHESIS, STELLAR EVOLUTION, ASTRO-PARTICLE PHYSICS, and has spent many years working to understand the ASTRONOMY practices of the Inca. He has agreed to respond to GENERAL PHYSICS questions along with any that relate to his areas of interest.

Susan DeBari

Dr. DeBari is a professor of geology at Western Washington University and will answer questions related to GEOLOGY, EARTHQUAKES, EARTH SCIENCE, and VOLCANOES.

Lori Dengler

Dr. Dengler is a professor of geology at Humboldt State University and will answer questions related to GEOPHYSICS, EARTHQUAKES and TSUNAMIS.

Jay H. Hartley

Dr. Hartley is a doctoral student at the Lawrence Livermore National Laboratory and would be happy to field questions about ASTRONOMY, HIGH TEMPERATURE PLASMA, ACCELERATORS, ANTI-MATTER, and PARTICLE TRAPPING.

Kate Hutton

Dr. Hutton is the Staff Seismologist at the California Institute of Technology. She is in charge of data processing for the Southern California Seismographic Network and has volunteered to answer questions about OBSERVATIONAL SEISMOLOGY.

Tom Krabacher

Dr. Krabacher is a professor in geography at Calif. State University in Sacramento. He will try to answer questions about WEATHER, CLIMATE, POPULATION and DEMOGRAPHY.

John Longshore

Dr. Longshore is a professor in geology at Humboldt State University. He will try to answer GEOLOGY questions and is particularly interested in VOLCANOLOGY.

Richard Sedlock

Dr. Sedlock is a professor of geology at San Jose State University and has agreed to answer general GEOLOGY questions. He is especially interested in EARTHQUAKES, PLATE TECTONICS, CALIFORNIA GEOLOGY, and MEXICAN GEOLOGY.

John Whitehead

Dr. Whitehead is a rocket scientist at the Lawrence Livermore National Laboratory. He has volunteered to respond to questions from K-12 students or teachers about the following:
How ROCKETS and LAUNCH VEHICLES work, and how SATELLITES and SPACECRAFT get into orbit, and to the moon or planets. He will also answer questions about PRESSURE and FLOW, including how LIQUIDS and GASES behave.

http://scorescience.humboldt.k12.ca.us/fast/ask/life.htm (life science questions)

http://scorescience.humboldt.k12.ca.us/fast/ask/phys.htm (physical science questions)

http://scorescience.humboldt.k12.ca.us/fast/ask/env.htm (environmental science questions)

http://scorescience.humboldt.k12.ca.us/fast/ask/sites.htm (links to

Sun-Earth Day http://sunearthday.nasa.gov/ask.php

Ask an Astrophysicist http://imagine.gsfc.nasa.gov/docs/ask_astro/ask_an_astronomer.html

Ask a Scientist http://science.nasa.gov/FAQ/ask-a-scientist.htm

Imagine Home  |   Ask an Astrophysicist  |   Ask an Astrophysicist

This is the "Ask an Astrophysicist" service of the Imagine the Universe! web site. We specialize in cosmic-ray, gamma-ray, and X-ray astrophysics, and other satellite based astronomical observations. Our research subjects are often exotic, like black holes, quasars and dark matter.   We attempt to answer as many questions as possible, but because of the volume of email we receive, we are unfortunately often unable to answer all of them. We will not respond to questions whose answers may be found in our archive or on our site, or questions unrelated to high energy astrophysics.   We do not accept more than 1 question per email and no more than 1 question per week from an individual user. Educators, please see Special Guidelines for Teachers. It usually takes 1-2 weeks for our volunteers to answer a question. During the holiday season, additional delays are likely.     Which topic area are you interested in? (Please select one)   Astrobiology (exoplanets, life in space) Neutron Stars/Pulsars Astronomy as a Profession Night Sky (stars, planets & more) Binary Star Systems Physics of Stars Black Holes Quasars & Active Galaxies Cosmic Rays Relativity Cosmology Satellites & Space Technology Dark Matter Solar System Earth and Moon (also calendars) Space Travel & Exploration Gamma-ray Bursts Supernovae and Their Remnants Milky Way and other Galaxies X-ray/Gamma-ray Astronomy   General Astronomy & Astrophysics   Please note that topic links with take you to an archive of questions & answers and other resources, but will not allow you to submit new questions.   Not sure where your question fits in? If so, Read an explanation of these topic areas. Or type a key word or phrase into our LIBRARY SEARCH ENGINE --- your question may already have been answered on our site. If your question does not fall onto one of the above areas, it means we are not the appropriate resource for your question. Check out the "Who are we" page, which explains what we study, what questions we'd most like to answer, and how we fit in with the rest of NASA. Try a list of astronomy "Ask an Expert" services. Also check the AskA+ locator of the Virtual Reference Desk, to find "Ask an expert" services on a wider range of subject areas. Try a general web search --- a lot of the things are on the web, if only you knew where to look. Here is an explanation of how to do a web search.

The Nine Planets

Solar System Live (positions of the planets)

Views of the Solar System

Planetary Rings Node

Resources for Exploring the Solar System

Related Q&A Categories

Earth & Moon (also calendars)

Night Sky

Physics of Stars

Astrobiology (exoplanets, life in space)

General Astronomy & Astrophysics

other planetary systems

• The Search for the Extrasolar Planets: A Brief History of the Search, the Findings and the Future Implications (very comprehensive!)
• The Extrasolar Planets Encyclopedia
• exoplanets.org
• Discovery of Extrasolar Planets by Marcy, Butler et al
• Detecting Planets Around Other Stars by Marcy and Butler (an encyclopedia article)
• nice summary of Planets found outside the Solar System at the Darwin site
• Erik Mamajek's EXOPLANET Page
• Known Planetary Systems (nice tabular format)
• Extrasolar Visions
• 51 Pegasi Home Page
• Prospects for Detection of Extra-Solar Giant Planets (a postscript file)
• Bok globules
• The Search for Planets Around Other Stars, by Andrew Fraknoi, Astronomical Society of the Pacific
• Other Worlds, Distant Suns
• planets in a binary system found by VLA
• proposed missions
  • NASA's Exploration of Neighboring Planetary Systems (ExNPS) Program home page
  • the Darwin Project, an ESA proposal for space-based infrared interferometry
  • Kepler, a low cost mission to detect Earth-like planets

More about asteroids

• 22338 Janemojo, a very special asteroid!
• more images (see also the Ida and Gaspra pages)
• fact sheet from NSSDC
• images from NSSDC
• lots more info from Zeljko Lipanovic
• the Near-Earth Asteroid Rendezvous Mission
• more about the discovery of Eros, the first known near-Earth asteroid
• Eros images from NEAR
• more NEAR images of Mathilde
• Keck II images of Vesta
• NEAT, Near-Earth Asteroid Tracking Home Page
• two pages about 4179 Toutatis
• On-Line Asteroid Data
• Vesta from LANL; a diagram of Vesta's history from B. Zellner (136k postscript)
• More on the observations of Vesta and its significance from STScI
• Geographos from LANL
• 1997 XF11, which will pass close to Earth in the year 2028 (from JPL)
• Minor Planet Designations, search for asteroid names and numbers
• various Minor Planet information from the MPC
• Asteroid Nomenclature Table
• Orbital elements from Dr E. Bowell of Lowell Observatory
• Earth's strange companion, Asteroid 3753 Cruithne (1986 TO)

The Encyclopedia of astrobiology, astronomy & space flight http://www.daviddarling.info/encyclopedia/A/Apollo_Project.html

http://www.astro-tom.com/advanced/advanced_dictionary.htm

http://www.geocities.com/the_150mm_reflector/glossary.htm