Advice for stirring your online community and fostering engagement

Oct 12, 2017
Advice for stirring your online community and fostering engagement

When you enter into any new area of science, you almost always find

yourself with a baffling new language of technical terms to learn before you can converse with the experts. This is certainly true in astronomy both in terms of terms that refer to the cosmos and terms that describe the tools of the trade, the most prevalent being the telescope. So to get us off of first base, let’s define some of the key terms that pertain to telescopes to help you be able to talk to them more intelligently. The first area of specialization in telescopes has to do with the types of telescopes people use. The three designs of telescopes that most people use are the Refractor, the Reflector and the Schmidt Cassegrain telescope. The refractor telescope uses a convex lens to focus the light on the eyepiece. The reflector telescope has a concave lens which means it bends in. It uses mirrors to focus the image that you eventually see. The Schmidt Cassegrain telescope uses an involved system of mirrors to capture the image you want to see. A binocular telescope uses a set of telescopes mounted and synchronized so your view of the sky is 3-D. Beyond the basic types, other terms refer to parts of the telescope or to the science behind how telescopes work. Collimation is a term for how well tuned the telescope is to give you a good clear image of what you are looking at. You want your telescope to have good collimation so you are not getting a false image of the celestial body. Aperture is a fancy word for how big the lens of your telescope is. But it’s an important word because the aperture of the lens is the key to how powerful your telescope is. Magnification has nothing to do with it, its all in the aperture.

in Blog 138860 comments

138860 comments

casbetbdcom
casbetbdcom
Viernes, 01 Marzo 2024 10:48

[url=https://emailer.datafeedfile.com/copy_url/tenant_num/108/url/https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://oy688.com.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.aykhal.info/go/url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://www.fiak.ru/bitrix/redirect.php?goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://diatotlindseter.cf.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.cosmoty.de/adclick/?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://inppk.ru/bitrix/redirect.php?event1=&event2=&event3=&goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://tdelekom.ru/bitrix/redirect.php?event1=&event2=&event3=&goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://mic90.net.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://www.codhacks.ru/go?https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.heartsrizing.com/cgi/mt/mt4i.cgi?id=7&mode=redirect&no=90&ref_eid=1203&url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.circulaire-en-ligne.ca/lien-externe/index.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.shacktube.com/cgi-bin/out.cgi?t=9&tag=toplist&link=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://bitcoinaussiesystem.org.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://store.payproglobal.com/r?u=catholicinsurance.net%2F__media__%2Fjs%2Fnetsoltrademark.php%3Fd%3Dnxsjb.top%2Fcomment%2Fhtml%2F%3F4419.html&a=4404https://casino-1xbet-bd.com/]1xbet[/url]


Install client bookmaker 1xbet - win now!

1xbet
1xbet
1xbet
a href=http://labs.oldiestation.es/php.php?a%5B%5D=1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet

Comment Link
Electronic waste recycling
Electronic waste recycling
Viernes, 01 Marzo 2024 10:44

Pretty section of content. I just stumbled upon your web site and in accession capital to assert that I
get actually enjoyed account your blog posts.
Anyway I'll be subscribing to your augment and even I achievement
you access consistently rapidly.

Comment Link
How To sex videos
How To sex videos
Viernes, 01 Marzo 2024 10:43

Reintroduction of this to the Colonial Cylons led straight to
the Fall and gatherings of the series. The most popular case in point is probably the Colonial Anthem, which is a new
arrangement of the Original Series most important concept.
The Mutiny: A key story arc in the second half of Season four is based all around this just after
a big portion of the Colonial Fleet flies more than the Despair Event Horizon on acquiring the 1st Earth.

This is specially noticeable in the very last episodes of Season 4, when Adama refuses to use Cylon tech to restore the ship, not only due to the fact of the
security risks concerned, but also due to the fact it would
change the ship into anything not what it used to be. Revealed in The Movie to be a lot more
of a prep and determination challenge alternatively than talent - he
manages to get into a top rated-magic formula federal government experiment slicker than snot
on a doorknob in Serenity, mainly because he was actively playing a part he was fairly near to and experienced time to prep and his sister's lifestyle on the line,
whilst in "Jaynestown" he was roped into it at the very last second and experienced no concept what
he was performing. Some cam ladies will acquire a dildo, the much more popular ones may possibly get a dick or two and to conquer that, you have to have to start having artistic.

Comment Link
casbetbdcom
casbetbdcom
Viernes, 01 Marzo 2024 10:42

[url=http://streets-servers.info.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.e-tsuyama.com/cgi-bin/jump.cgi?jumpto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.google.im/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&ved=0CDQQFjADOAo&url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.casetify.com/redirect?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://ligafoto.ru.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.stockinghardcore.com/cgi-bin/atx/out.cgi?id=489&tag=toplist&trade=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://wiki.playrotd.com.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://www.chernovskie.ru/bitrix/rk.php?id=1&event1=banner&event2=click&goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.hornysextube.com/cgi-bin/atx/out.cgi?s=100&l=text&u=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://smkmaarifnu1sumpiuh.sch.id.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://url.rw/?https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://minemik.ru/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://n1653.funny.ge/redirect.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://lexsrv3.nlm.nih.gov/fdse/search/search.pl?match=0&realm=all&terms=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.realmomsfucking.com/tp/out.php?p=50&fc=1&url=/https://casino-1xbet-bd.com/]1xbet[/url]


Upload latest version of the application online casino 1xbet - win now!

1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet

Comment Link
casbetbdcom
casbetbdcom
Viernes, 01 Marzo 2024 10:42

[url=https://drive.sandbox.google.co.in/url?sa=i&url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://graindryer.ru/bitrix/rk.php?goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://kluch.media/bitrix/redirect.php?goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://cse.google.fr/url?q=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://41tube.com/cgi-bin/a2/out.cgi?id=1470&u=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://premiermedica.ru.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://creamify07138.blogpostie.com.xx3.kz/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.karupsdreams.com/crtr/cgi/out.cgi?id=122&tag=foottop&url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://musicology.cn/url.asp?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://demo96.ru/bitrix/redirect.php?event1=&event2=&event3=&goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://google.ms/url?sa=t&url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://www.shukach.com/ru/ext_link?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://dr-paramonov.ru/bitrix/rk.php?goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://image.google.ps/url?q=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://r.webimho.ru/?goto=https://casino-1xbet-bd.com/]1xbet[/url]


Install apk file online casino 1xbet - play today !

1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet

Comment Link
casbetbdcom
casbetbdcom
Viernes, 01 Marzo 2024 10:42

[url=http://www.group-kin.com/bitrix/rk.php?goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://maps.google.si/url?q=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://shop.tgsk.ru/bitrix/redirect.php?goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://promosimple.com/api/1.0/routedevice?durl=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.sissyshack.com/cgi-bin/top/out.cgi?id=melissa&url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.freegaytubes.net/cgi-bin/site/out.cgi?id=19&tag=top&trade=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.jakvycvicitdraka.cz/notice.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://animangation.net/?goto=/https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://www.choosecams.com/external_link/?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://clients1.t.me/s/worldcasinonet.ni/url?q=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://datos.gob.bo/sk/api/1/util/snippet/api_info.html?resource_id=0f41b0b0-6972-4d7e-87b4-be6edbf4d549&datastore_root_url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.med.uz/bitrix/rk.php?goto=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://www.bibeltermine.de/go.php?url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=https://cdp.thegoldwater.com/click.php?id=230&url=https://casino-1xbet-bd.com/]1xbet[/url]
[url=http://cse.google.bs/url?sa=t&url=https://casino-1xbet-bd.com/]1xbet[/url]


Upload application bookmaker 1xbet - win today !

1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet
1xbet

Comment Link
Custom stickers
Custom stickers
Viernes, 01 Marzo 2024 10:41

I was recommended this blog by my cousin. I am not sure whether
this post is written by him as no one else know such detailed about my difficulty.

You're amazing! Thanks!

Comment Link
https://bookmarkinglife.com/story2052697/clic-hypothC3A8que
https://bookmarkinglife.com/story2052697/clic-hypothC3A8que
Viernes, 01 Marzo 2024 10:35

Hey there! Do you know if they make any plugins
to assist with SEO? I'm trying to get my blog to rank for some targeted keywords but I'm not seeing very good success.
If you know of any please share. Many thanks!

Comment Link
camera live sex
camera live sex
Viernes, 01 Marzo 2024 10:35

Sun is exceptional in my area so while it may well not essentially be my fetish, I
have fucked several pale ladies. She may not gain any grownup awards for the finest GILF scene or any shit like that, but a
scorching granny is a warm granny. Is this not just one
of the much better views for the sexual intercourse
scene? She may be one particular of the new pornstars in the field, but she is without the need of a
doubt just one of the most beautiful ladies to make their porn debut.

Some rappers have absent at the rear of the scenes in the porn field, too.
I surprise what her Native American ancestors would consider
of her getting learned that not only does porn but does so through
the innovations of "white devils". Think Angelina Jolie in "Life or Something Like It".
So what did you assume of our leading 25 best body pornstars
in 2023 checklist? There’s no question that Gabriella Paltrova is one
particular of the sexiest and dirtiest pornstars in the market.

Comment Link
상품권 매입
상품권 매입
Viernes, 01 Marzo 2024 10:35

Hello there I am so happy I found your site, I really found you
by accident, while I waas looking on Yaoo for something else, Regardless
I am here now and would just like tto say many thanks for a fantastic post and a all
round interesting blog (I also love the theme/design), I don’t have time to read through it aall at the moment but I have book-marked it and also adderd in your RSS feeds, so wheen I have time I
will be back to rad much more, Please ddo kkeep up the superb b.


상품권 매입

Comment Link

Leave a comment

Make sure you enter all the required information, indicated by an asterisk (*). HTML code is not allowed.