Thanks for visiting our pages.
Due to the end of the Yohkoh mission the Guest Book is closed to submissions.
Please feel free to browse through our favorite entries that we received over the years.
Greetings to you and your guests. Love what you've done with your site. As an educator I can say you have great communication skills. none.
La Mesa, Ca US - Friday, July 12, 2002 at 06:33 AM (MDT)
good on pictures but does need some updates in text work
however it served me the way i wanted
and all the best
new delhi, new delhi india - Thursday, July 11, 2002 at 02:00 AM (MDT)
I am very interested in astronomy. Your site is very informative. Greetings from Lifetrek
Germany - Monday, July 08, 2002 at 07:58 AM (MDT)
Thanks, I am using your lesson to teach 200 Cub Scouts about the importance of the sun. We will also be making a sundial.
Travis Air Force Base, CA USA - Wednesday, June 26, 2002 at 11:36 AM (MDT)
Thanks! This really helped my report!
Salt Lake, Utah U.S. - Tuesday, June 18, 2002 at 12:46 PM (MDT)
Lake District, U.K. - Tuesday, June 11, 2002 at 03:20 AM (MDT)
I think that the sun is very interesting. Even though the sun is only an average size star.
United States - Thursday, May 30, 2002 at 05:52 PM (MDT)
Great site, superb pictures ! Thanks to the OU for listing this site
London, England - Monday, May 27, 2002 at 07:44 AM (MDT)
YEAR 3 CLASS SUNDIAL PROJECT, WILL LET YOU KNOW HOW IT GOES
BROOME, WA WEST AUSTRALIA - Monday, May 20, 2002 at 09:57 PM (MDT)
i never thought i can learn about space so easily.
chennai, tamilnadu india - Monday, May 13, 2002 at 11:57 PM (MDT)
Really enjoyed it - will tell others
london, uk - Saturday, May 11, 2002 at 11:34 AM (MDT)
Thanks. I expect to make use of the information you have provided while teaching the Grade 6 class at Westboro Academy here in Ottawa within a few weeks. I will let you know the results - this ought to be fun.
Ottawa, ON Canada - Wednesday, December 05, 2001 at 07:01 AM (MST)
I am a teacher in Colorado Springs. Thank you so much for your incredible interactive website. It is informative, fun, and educational. Thanks.
4th grade teacher
Colorado Springs, CO USA - Saturday, November 24, 2001 at 08:28 AM (MST)
really awesome site. I started learning about the sun in astronomy class and at first I thought...sorry about this.. but at first I thought Who cares? It's so beautiful and so powerful and so much to think about. It's awesomely amazing
Your site really helps me to grasp some of the difficult aspects. I will never think of the sun in the same way again. Now when I look at it I think about the corona. the solar wind.. the terrific power and even that it's not really a big star at all.
It's such fun food for the imagination. Love your site. and the color of the sun is so beautiful. thanks for putting the movies and images on-line.
columbus, ga usa - Thursday, November 15, 2001 at 08:08 PM (MST)
I wanted to teach how to make a sundial to my kids.
This site is greately useful.
Maybe, you augment it with stuff for making sundials for near-equatorial zones.
Murali Mohan, India
Hyderabad, Ap India - Friday, October 19, 2001 at 03:52 AM (MDT)
This site was really easy to navigate and the tour was awesome and taught me a lot. i got an A on my science paper and most of my information came from this site. I just wanted to let evryone know that this site was very helpful for me and my friends. Thanx again
East granby, Ct the great old United States - Monday, October 01, 2001 at 08:13 AM (MDT)
Today is the Autumn Eqiunox and wanted to review all the info. Got carried away and downloaded all the good info and also about building a sundial. Great program and will have some fun with it. At 82 its never to late to keep up to date
Mountain View , Ca USA - Friday, September 21, 2001 at 10:05 PM (MDT)
Fantasic, My niece and nephew are going to love this. Fab site. Keep it up, it's a credit to you.
Melbourne, vic Australia - Tuesday, September 18, 2001 at 07:12 PM (MDT)
This is a great website! It inspires me to make a sundial, and maybe even make some for gifts for my friends!
Santa Cruz, CA United States - Wednesday, September 05, 2001 at 08:28 PM (MDT)
Stumbled to your site looking for sundial construction instructions & found
fantastic solar pictures, a great little sundial construction instructions, detailed
information about the sun, etc. I plan to re-visit this site repeatedly. Keep up the
good work !!!!
Pensacola, FL USA - Sunday, August 26, 2001 at 01:35 AM (MDT)
The pictures of the sun are very clear and easy to see what is going on. It's wierd
to think of the sun as a star like any other star in the universe. I can't believe that
we are lucky enough to be the perfect distance away from the sun to sustain all life on
Earth. Pretty Amazing!
Duluth, MN USA - Tuesday, August 07, 2001 at 04:26 PM (MDT)
Very wonderful, appropriate and clear procedures for sundial construction. I have
got some information for my student projects from your elegant website. Please carry on
with the good work. Thanks. Simon Anguma Mbarara University of Science and
Technology, P.O. Box 1410, Mbarara Uganda. E-mail: firstname.lastname@example.org
Mbarara, Uganda - Thursday, July 19, 2001 at 11:01 AM (MDT)
I enjoyed looking through this site, retrieving information to utilize within my
classroom, as well as, great pictures to use with fellow colleagues for professional
Philadelphia, PA USA - Wednesday, July 18, 2001 at 09:05 AM (MDT)
ITS WONDERFUL !!!!, HOPE THAT "YPOP "COULD EXPLRORE DEEPER&DEEPER
ABOUT THE MISTERY OUR SUN ,AND... PLEASE PROVIDE THE INFORMATION IN SIMPLER
THOUGHT THAT STUDENT IN EARLEAR YEARS N COULD UNDERSTAND EASILY.
THANKS SUCSESS FOR YPOP
JAKARTA, INDONESIA - Tuesday, July 17, 2001 at 06:30 AM (MDT)
Wonderful site. I have taken the liberty to translate the whole tour into Spanish.
Please let me know if you are interested in putting on line. I will be more than happy
to send it to you. Maria Schwarz Curriculum Integration Through Solar Education
Program University of Puerto Rico at Mayaguez email@example.com
Mayaguez, PR USA - Saturday, July 14, 2001 at 07:52 PM (MDT)
I'm fifth grader and this is how I find this website. First I watched the news and I
saw them talking about the sun expanding and it swallowed Mercury and vaporised it. I
started to feel like I wanted to know more about the sun. So I went to the internet and
go to ajkids.com and ask them where can I find more information about the sun and they
answered my questions. I picked one of their answers and that's how I found this
website. It seems very intresting but there is only one problem, I just want more
videos on it so can you put more videos on this website?
Lafayette, LA U.S.A - Wednesday, July 11, 2001 at 02:15 PM (MDT)
The site is very good and needs some more images to be on show. I was very happy
with the images of the sun and i frequently save the images into my folder.
Bangalore, Kar India - Thursday, July 05, 2001 at 02:30 AM (MDT)
I am a 5th grade science and math teacher. I plan to make the sundials this year.
That is an excellent idea.
Shreveport, Louisiana USA -
Tuesday, June 12, 2001 at 09:48 PM (MDT)
Well done overview!Thanks!
Koblenz, Germany - Saturday, June 09, 2001 at 02:42 PM (MDT)
Your site ir wonderful :) It is so nice becuase during science class
we get to use the laptops! It is so nice thanks for making it good
Warren, OH USA - Friday, May 25, 2001 at
09:07 AM (MDT)
Thanks for the informative explaination. I used it in my graduate geodynamics class
to compare the near surface temperature profile of the sun to a possible temperature
profile for the core of the earth. I didn't get my grade yet but I was happy with my
free thinking. Thanks again.
Rocky Hill, NJ USA - Monday,
May 07, 2001 at 12:42 PM (MDT)
Tel Aviv, Israel - Wednesday, May 02, 2001 at 01:37 PM (MDT)
I love your site because i'm going to get an A++ on my report
Green River, WY United States - Sunday, April 29, 2001 at 08:44 AM (MDT)
We loved the tour of the Sun. It was fun and we learned a lot of things about the
Sun that we didn't know before. We expecially liked the part about the 3 layers and the
27-day rotation period.
Mr. Eck's 3rd Grade Gifted Class
Brunswick, GA USA
- Thursday, April 12, 2001 at 08:53 AM (MDT)
Nice pages. I learned a lot about the Sun. I would like to know wether
the sun needs oxygen to keep burning, although I believe there is no
oxygen in outer space. If you know the answer please e-mail me at
O S S Cargill
Negril, Jamaica - Friday, April 06, 2001 at 07:52 PM (MDT)
HERE IS A BRIEF EXPLANATION OF HOW THE SUN IS
Thanks for the great instructions. I am a Media specialist
in an elementary school. I love to teach the kids stuff
like this and really get them thinking and learning about
their world and how it works. Our theme this year is
"Celebrate" and we have been doing all kinds of holidays
around the world. This will go great as we talk about
the 'mystery holiday' of Easter and why it moves instead of
staying on the same day each year. Thanks again. Susan
Fruit Heights, UT USA - Sunday, April 01, 2001 at 08:02 PM (MDT)
melbourne, vic australia - Sunday, April 01, 2001 at 04:10 AM (MDT)
the images that you are so kind to share with the world are truely magnificent! i
would like to say thank you for these great views to be shared with the world. although
i'm not an astronomer, i am becomming more enlightened about our sun and other ast
ronomical happenings everytime i log onto my ISP. i visit this site daily to watch in
total amazement of what the sun is doing only hours after it's been imaged. keep up the
good work there and we all appreciate your input to further the knowledge bank of our
sun. thank you , jim....south dakota, USA
yankton, sd USA -
Wednesday, March 28, 2001 at 01:52 PM (MST)
Congratulations on a wonderfully simple,easy to follow and enjoyable lesson. Others
please take note.
Sydney, Australia - Tuesday, March 27, 2001 at
07:19 PM (MST)
this page has been very helpful for our projects. it is also a very interesting page
where it provides alot of useful information about our sun. thanks alot and keep up the
PuiTzan Chan < >
vic Australia - Sunday, March 25, 2001 at 04:21 PM (MST)
Bari, Italy - Tuesday, March 20, 2001 at 03:48 AM (MST)
The Public Observatory "Philippus Lansbergen" in Middelburg will give a lot of
attention to the SUN-EARTH-DAY on April 27. Therefor we can use all kinds of
information about our Sun. All the information we have untill now is about SOHO. Yohkoh
is also very important and therefor I enjoyed this site very much. Very educational and
very usefull. We expect quite a few people on our Sun-Earth-Day and it's great that
there's so much good information available. Thanks for that.
Middelburg, The Netherlands - Saturday, March 17, 2001 at 03:33 PM
I am a Junior Girl Scout leader for ages 10-11. We are currently working on the SKY
SEARCH badge and needed instructions to make a sundial while camping. Thanks -
everyone had fun while learning!
- Monday, March 12, 2001 at 02:58 PM (MST)
Thanks for your information about building a sundial. I'm working with the PTA at
our elementary school to build a science garden and wanted to know more about sundials.
Your site is very helpful and clear.
Raleigh, NC - Sunday,
March 11, 2001 at 02:37 PM (MST)
My teacher John Debow at San Juaquin Delta College made this website available to
his students in our biology class and I think it is very informative visually and
Stockton, CA U.S. - Friday, March 09, 2001 at
01:29 PM (MST)
Wonderful site for my high school earth science students! It has everything I was
looking for in a website! The movies are exceptional!!! WELL DONE and THANK
Deadwood, SD USA - Sunday, March 04, 2001 at 07:00 PM
I was referred to this site from an Open University course. I have
tour explaing the sun and found it to be very easy to read and extremely
informative. Thank you.
Grantham, UK - Sunday, February 25, 2001 at 03:39 AM (MST)
Great website. I enjoyed the layout and the tour very much. I have
bookmarked this one for future use with me and my kids. As a spectroscopist (ICPMS)
I enjoy seeing how various instruments are used to study celestial objects.
Thanks for sharing.
B. Michael Hovanec
Anaheim, CA USA - Friday, February 23, 2001 at 06:09 PM (MST)
I am very much impressed by the spectacular pictures. It will be
helpful if y
ou can add explanation to the meaning of the name "yohkoh"
in your introduction page.
Taipei, Taiwan - Thursday, February 22, 2001 at 11:55 PM (MST)
DAVID, THANKS FOR THE TERRIFIC
SUGGESTION. AS YOU PROBABLY KNOW, YOHKOH IS THE JAPANESE WORD FOR
SUNBEAM. WE HAVE ADDED THIS TO OUR ENTRY PAGE.
Thanks for all the help, I'm in grade 4 at
Allandale Heights Public School and I chose to
do a project on Sundials for my science project.
You hade lots of ideas for me.
Barrie, ON Canada - Tuesday, February 13, 2001 at 06:16 PM (MST)
WOW!!! this is such an awesome website. I could come here everyday and
something new!!! i can't wait till i get older and become an
LL Netherlands - Friday, February 09, 2001 at 08:08 AM (MST)
this is great! at the last moment i've found out that i prommised to
make a sundial with a group of young teenagers
and i didNt know how to do that. This is a great way for a narrow escape!
Thanks, also on behalf of the "1e kring van het Apostolisch Genootschap in
(even if they don't know....)
edwin de jong <firstname.lastname@example.org>
brunssum, the netherlands, Europe - Thursday, January 25, 2001 at 05:29
Your site is great! I am doing a web page of my own for a class I am in
and your site helped me quite a bit.
Millville, MA USA - Thursday, December 21, 2000 at 09:50 AM (MST)
I liked your site alot! I gives very hot facts! Thanks!
Girard, Ohio America - Monday, December 18, 2000 at 02:34 PM (MST)
dilini perera <email@example.com>
Colombo, WP Sri Lanka - Friday, December 08, 2000 at 04:49 AM (MST)
What great stuff!!!!! This is so impressive, my child uses this to
do homework, you have inspired us. Thank-you.
Aline Parent <firstname.lastname@example.org>
QuM-ibec, canada - Friday, November 24, 2000 at 09:24 AM (MST)
Hi, Im studying fisic, that is the reason that makes me spend my time
at the net looking for more and more information.
your page Is realy good, i've found a lot of garbage so thanks.
If you have a mailing don't dout including me in it.
buenos Aires, 54 argentina - Wednesday, November 15, 2000 at 07:41 PM
Thank you so much for your wonderful site. We will be using it to
create a s
undial from a large tractor tire at the Children's Garden at Cromwell
Joanne Dintzis <email@example.com>
Baltimore, MD USA - Saturday, November 04, 2000 at 06:26 AM (MST)
Hello... I am a Freshman at Suffield High School and I went on this
took to the tour for some extra credit for my Earth Science class. It was
very interesting and it helped me understand what we are learing
Suffield, CT United States Of America - Wednesday, October 25, 2000 at
Great! Very straightforward for college students! :)
Carey Czech <firstname.lastname@example.org>
Albion, MI USA - Wednesday, October 25, 2000 at 02:41 PM (MDT)
Thank you for the information. My son is using it for a science
Mark Stumpf <email@example.com
Augusta, GA USA - Sunday, October 22, 2000 at 04:55 PM (MDT)
this is a "hot"website in the cool swiss fall.
Niklaus Koehli <niklaus.koehli@bl
Thun, BE Switzerland - Friday, October 13, 2000 at 01:50 PM (MDT)
Was very interesting, IM-4m going to show it to my children asap, I
You will develop other projects soon!!!
Rgds from Spain
Palma de Mallorca, IB Spain - Thursday, October 12, 2000 at 08:52 AM
My students have loved this! It is awesome! We are very appreciative
of the time and energy it must have taken to put this together!
Thank you for another great resource for teachers!
Evansville, IN USA - Wednesday, October 11, 2000 at 07:45 AM (MDT)
Very good homepage, We are a public solar observatory,Maybe you could
some books, videos or CD-roms about the sun. My adress GM-|nter
niebing 250 8330Feldbach Austria Europe
GM-|nter Kleinschuster <firstname.lastname@example.org>
Feldbach Austria, Europe - Wednesday, October 11, 2000 at 07:16 AM
Very interesting and useful.
This will be a good teaching material
for children who wants to know about
Ash Parameswaran <mparameswaran@home.
Vancouver, Canada - Monday, October 09, 2000 at 07:39 PM (MDT)
I am a government contractor specializing in space weather at the
Office of S
ecretary of Defense level. What you are doing is commendable, young women
to learn about the many opportunities in science. Thank you
Marsha Korose <KOROSEMA@OSD.PENTAG
Alexandria, VA USA - Wednesday, August 23, 2000 at 06:50 AM (MDT)
I want to write because I like very much the astronomy field.
This pictures of the Sun (but and the other planets) are very beautifule.
I have never seen it before, and for this reason I really appreciate your
bution in this field.
I am looking every day this pictures because every day has something new,
ally the movie pictures that show rality of our life.
Agim Pumo <email@example.com>
Tirana, Albania - Saturday, July 08, 2000 at 03:25 AM (MDT)
Great sight. I can't wait to show the children in my
Angie Girtman <angiegirtman@hotmail
Hazlehurst, GA United States - Monday, June 19, 2000 at 11:23 AM
Excellent educational resource. I plan on sharing this information
Science teachers on my middle school staff.
David W. Ross <firstname.lastname@example.org>
Tucson, AZ United States - Friday, June 09, 2000 at 09:52 AM (MDT)
Just right. Simple, educational, interesting, not too busy.
MSG Curtis D. Hutcherson <hautahbuhgee@
Chonan, So. Korea - Friday, June 09, 2000 at 12:50 AM (MDT)
Clear detailed routes to take. Easy to get to the point
Morkel Combrink <morkel_combr
Centurion, Gauteng South-Africa - Sunday, June 04, 2000 at 10:04 AM
Looking at our Sun is not looking at God. But what when the
sun explodes ? I already feel some pity for the further
generation in some billions of years ...
Where will we be at that time ? Your beautiful site makes
me feel our weakness, and the extraordinary beauty of Nature,
even if it is totally indifferent to us and our neighbours
on other planets. The main purpose of your site is to make
us think.. Thank you so much for your work !!
PARIS, FRANCE - Thursday, May 18, 2000 at 12:44 AM (MDT)
Great, Great Web Site! I'm teaching elementary school kids about the
Sun (and learning even more). I really appreciate the movies, especially
What space probe took the sun-diver movie?
Thank you, thank you!
Tom Kimball <email@example.com>
Parker, CO USA - Sunday, May 14, 2000 at 09:47 PM (MDT)
This is a very usefull sight. My 9 year old daughter was able to find
information presented here in a fashion that she could understand and use
make a really neat sundial. It made a very nice craft activity to
Latin class. Thanks!
Pleasant HIll, MO USA - Tuesday, April 25, 2000 at 10:38 AM (MDT)
I'm an 8th grade Earth Science teacher, and I often use your daily
my teaching. Thnaks for putting all of these great images and facts in one
to access location
Charles F. Lindgren <firstname.lastname@example.org
Scituate, MA USA - Monday, April 10, 2000 at 02:12 PM (MDT)
I was looking for a simple sundial my first graders could make with
the help of some fifth grade students for Sky Awareness
Week April 23-29. I am certain that we could do this one at the novice
level...and they will be delighted with the results! I'll let you know
how it goes.
Donna Smith <email@example.com>
Bath, ME USA - Saturday, April 08, 2000 at 02:15 PM (MDT)
My first graders really enjoyed our visit!
Thanks for the movies!
Regina Watts <firstname.lastname@example.org>
Talladega, Al USA - Wednesday, April 05, 2000 at 12:03 PM (MDT)
Your site is very advantage. I like to visit again
Dharshana Perera <email@example.com>
colombo, Sri Lanka - Wednesday, March 22, 2000 at 11:16 PM (MST)
This was the greatest web sight, my mom found it for me to explain the
Spring Equinox. Then we have the YPOP films great stuff. We love to
look at the stars at night, maybe someday we will even be able to get a
telescope! I am
an eight year student
in 3rd grade at Sandmeier School in Springfield, New Jersey Thanks for
the information and the great pictures, I'm sure we will visit your site alot!
Mikey Tighe <firstname.lastname@example.org>
Springfield, NJ USA - Friday, March 10, 2000 at 08:01 AM (MST)
This is an excellent outreach web site! Thanks very much
the useful information about the Sun, all the nice images and movies. I am
them in a college astronomy class.
Lynn Cominsky <email@example.com>
Rohnert Park, CA 94928 - Tuesday, February 15, 2000 at 03:09 PM
I like the information very much.The photographs are very sharp and
ive. I appreciate the information provided for my querry. Thanks.
T.Laxmi Naga Nirmal Sri Charitha Madhurima <firstname.lastname@example.org>
Vijayawada, A.P. India - Tuesday, February 08, 2000 at 03:45 AM
Room 7 second grade <plebsock@jeff
Golden, co usa - Wednesday, January 12, 2000 at 01:52 PM (MST)
I am a teacher at Montville Township High School in New Jersey. I
recently found your site through the NASA cool picks and used the YOHKOH
satellite lesson with my physics class. Thanks for the help!
Ruth Starkins <email@example.com>
NJ USA - Thursday, February 19, 1998 at 07:57 PM (MST)
A great site for an amatuer astronomer like me who is just beginning to
study the sun. Until now I have been content to use my 8" scope and solar
filter. Now, viewing the daily images is part of my daily routine. Thanks
for the great job.
David Gardner <firstname.lastname@example.org>
augustine, fl USA - Wednesday, February 18, 1998 at 08:08 PM (MST)
WOW!! This is just FANTASTIC!! Wish I had found you sooner. You have
done a GREAT job. I teach 8 grade science, and you have done a wonderful
job of preparing lesson plans. Your lesson on filters accomplishes what I
have failed to do : How do astronomers learn about things in the universe
just by studying light? I am really excited about your work. I plan to use
your lessons next year and let other teachers know about your work.
Robert Talbert <email@example.com>
charleston, SC Charleston - Thursday, March 26, 1998 at 08:30 PM
Thank you for your information - This will help me with my Science
Dennis Girard <firstname.lastname@example.org>
Windsor, On Canada - Tuesday, May 06, 1997 at 08:18 (MDT)
The sundial pages are excellent - just what I think will get the
children interested and on to their project. We are a little country
school of 41 children and the nearest large library is about 45 minutes
away so refrence material is not easy to come by. Thanks again.
Bruce Groves (teacher) <email@example.com>
Whangarei, New Zealand - Sunday, August 17, 1997 at 06:02 PM (MDT)
This is a very informitive site. Throuhg your site I have been able to
the fact that I will now be majoring in Astronomy, durring my college
years. Thanks for all the info
John D. Parker. <firstname.lastname@example.org
Tacoma, Wa USA - Thursday, October 23, 1997 at 03:08 PM (MDT)
I am a homeschooling mom of 7 children can't wait until you
have completed the rest of the info for education. The class
room portion of this site is excellent. We have used this
for part of our science curriculum for today. Thanks,
Please contact me by e-mail re:more great science info.
Michelle Bartlett <email@example.com>
Bigfork, MT USA - Monday, April 28, 1997 at 10:29 (MDT)
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