AstronomyOnline.org
home observation science solar system stars our galaxy cosmology astrobiology exoplanets astrophotography

Coming Events

Blog

English
Farsi


Why Donate?


Quick Links
 
My Web Links Page
Career in Astronomy
Night Sky Network
The Jupiter Satellite Page
Current Trends in Astronomy
Astronomy News - by SAO
Mars Spirit Rover - VRMars
Astronomy Software
Active Astronomy
Worksheet Library - A Teacher's Resource
Telescopes for Kids Resource Guide
Hubble News Release by Category
Latest News in Astrobiology
Astronomy Picture of the day
Space Weather - official
Space Weather Now - NOAA
Space Weather
U.S. Naval Observatory Data Service
Time and Date
The Time Now
NSO Current Solar Images
Association of Lunar & Planetary Observers
OZ Scopes
Latest SOHO Images
Interactive Map for Solar Eclipses

Astronomy Online Store.

Reload the page (F5 key) to see a random selection of items below.   

Store Items

 

Welcome to Astronomy Online
A legally blind photographer/astronomer on disability so I use this site to contribute to society.


Last Updated: added graphics for the 88 constellations under Observation/The Night Sky.

Orion

This site is a testament that even though I have a physical disability - legally blind - I can still do things that helps other people.

I also have a new image gallery. I call it Second Site Image Gallery.

This is an educational website. It's never too late to learn astronomy, even for those who have not completed their primary (High School) education. A GED can get you in the door to college level courses.

Visit this page: https://www.advancedwriters.com/custom-research-paper and get Astronomy research project writing assistance for University classes.

A guide to teach kids to draw at imagiplay.com.

3dinsider.com - 3D printers are changing science fast.

Affordable academic writing company CheapWritingHelp.com provides students with unique astronomy research papers and science essays.

A-Writer essay writing service with the best PhD writers on Astronomy.


APOD:M27: The Dumbbell Nebula
Image Credit & Copyright: Steve Mazlin

Explanation: Is this what will become of our Sun? Quite possibly. The first hint of our Sun's future was discovered inadvertently in 1764. At that time, Charles Messier was compiling a list of diffuse objects not to be confused with comets. The 27th object on Messier's list, now known as M27 or the Dumbbell Nebula, is a planetary nebula, the type of nebula our Sun will produce when nuclear fusion stops in its core. M27 is one of the brightest planetary nebulae on the sky, and can be seen toward the constellation of the Fox (Vulpecula) with binoculars. It takes light about 1000 years to reach us from M27, featured here in colors emitted by hydrogen and oxygen. Understanding the physics and significance of M27 was well beyond 18th century science. Even today, many things remain mysterious about bipolar planetary nebula like M27, including the physical mechanism that expels a low-mass star's gaseous outer-envelope, leaving an X-ray hot white dwarf.


APOD:Mercury Crosses a Quiet Sun
Video Credit: NASA, SDO, NASA's Science Visualization Studio; Music: Gustav Sting (Kevin MacLeod) via YouTube

Explanation: What's that black dot crossing the Sun? The planet Mercury. Mercury usually passes over or under the Sun, as seen from Earth, but last month the Solar System's innermost planet appeared to go just about straight across the middle. Although witnessed by planet admirers across the globe, a particularly clear view was captured by the Solar Dynamics Observatory (SDO) in Earth orbit. The featured video was captured by the SDO's HMI instrument in a broad range of visible light, and compresses the 5 1/2 hour transit into about 13 seconds. The background Sun was unusually quiet -- even for being near Solar Minimum -- and showed no sunspots. The next solar transit by Mercury will occur in 2032.

The Hope Mars Mission or Emirates Mars Mission is a space exploration mission of sending a probe to Mars to explore and study the planet's atmosphere. Take a look at 15 interesting facts about the mission to learn more about it and better understand why it is so important.

Get help with your dissertation at Dissertation Expert - PhD thesis writing service.
Expert Admission essay writers - admissionland.com - essay writing service.
Assignmentgeek.com get professional assistance with astronomy assignments.





Iris Nebula
- Image by Ricky Leon Murphy.

Astronomy Online is a personal resource of mine that is made public. Please enjoy the site.

ARCHIVED BLOG ENTRIES


Visit https://copycrafter.net/college-paper-writing-service.html to get help from professional essay writers.

How the Website is Organized:

Advertising within text will be in italics with a link to the ad source.

Observation - This section includes information on coordinate systems, constellations, objects visible in the night sky, and some images of the night sky of the northern and southern hemispheres.

Science - This section includes information on some of the basic science used in astronomy. There is information on the variety of tools used (like telescopes) as well as methods of using them. There is a mathematics primer, introduction to some physical processes, formulas used in astronomy, and information on computer use in Astronomy.

Solar System - As indicated, this section covers our Solar System (See Solar System App) and everything in it. It covers the Sun, planets, their moons, asteroids, comets and exotic objects like TNO's and Kuiper Belt Objects.

Stars - This section covers stars in our own galaxy. It covers the variety of stellar evolution paths. It also covers supernova, black holes, and some of the radiative processes in the interstellar medium.

Our Galaxy - This section covers our galaxy as well as some of the nearby galaxies in our own Local Group. It also covers galaxy evolution.

Cosmology - This section covers other galaxies and galaxies clusters. It also covers the big bang, relativity and dark matter.

Astrobiology - This section covers the relatively new field in astronomy - the possibility of life in our Solar System and the Universe. There is also information on some of the projects dealing with this - like SETI.

Exoplanets - This section covers the study of planets known to exist around other stars. It covers both amateur and professional involvement and shows you how you can get involved with the search as well.

Astrophotography - This section covers the fastest growing hobby of astrophotography. This section offers information and tips on photography and also features and Image Gallery.

Back to Top

Advertisement

Best Long Boards Longboardbrand.com | QuitSmokingCommunity.org | American Cancer Society | Mesothelioma Cancer Resources | Mesothelioma Veterans Center | MesotheliomaHelpNow | Cerebralpalsy Guidance | Recall Report | ConsumerSafetyGuide | CouponChief-Ultimate Guide to Financial Resources for Cancer Patients | Birth Injury Justice Center

  

Search | Site Map | Buy Stuff - Store | Appendix
©2004 - 2013 Astronomy Online. All rights reserved. Contact Us. Legal. Creative Commons License
The works within is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.