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Center Stage: Models of the Solar System

Resource ID#: 99989

Primary Type: Student Tutorial


This document was generated on CPALMS - www.cpalms.org



Compare and contrast the heliocentric and geocentric models of the Solar System in this interactive tutorial.

Attachments

Accessible version: Accessible Version of the tutorial content inPDF Format

General Information

Subject(s): Science
Grade Level(s): 8
Intended Audience: Educators , Students
   
 
Keywords: Heliocentric, Geocentric, Solar System, , Parallax, models, planets, the Sun, the moon, space science, outer space, interactive, tutorials, elearning, e-learning, science, Earth science,
Instructional Component Type(s): Original Student Tutorial
Resource Collection: Original Student Tutorials Science - Grades K-8



Source and Access Information

Contributed by:
Name of Author/Source: Robert Lengacher
Access Privileges: Public


Aligned Standards

Name Description
SC.8.E.5.8: Compare various historical models of the Solar System, including geocentric and heliocentric.
Clarifications:
Florida Standards Connections: MAFS.K12.MP.4: Model with mathematics.



After almost 2 years in beta, I have now launched, and the journey has hopefully just begun!

September 16, 2021  ,  No comments


After running, supporting and developing my SaaS for almost 2 years in beta, I’m now ready to launch the “real” version, 1.0, no more free beta.I have been afraid to add a business model to my side project and in terms of sales, I don’t need it, because I have a fulltime job.But after almost 2 years, +12K registered users, more than 2.000 monthly active users, I want the ultimate validation:for someone to pay for what I’ve made.I have made myself an ambitious and unrealistic goal of hitting my current salary within the next 12 months, and be able to live — what I fantasis is my life goal and dream — and to work for myself and my own desires.For the last 5 years, I have had many ideas, and tried to develop a handful, but it has always been an issue for me to start something, and actually “finish” it, or at least launch it for the public. For the projects I have finished, I have tried to sell what I’ve made. I have always been scared of putting a price tag on my projects. I guess my philosophy has been: “rather someone use it for free, than no one uses it”.That ends today! I finally have a project that have kept my interests more or less weekly, and for the most part daily, and a project that actually have some traction from real people.When I initially thought of sharing this story, and launch a paid version of my latest project, it was in the middle of last month (August), I drafted a version of this post. I just read that draft, and one thing stood out: “But after almost 2 years, 11K registered users..” — today, a month later, that number of registered users, is now 12,3K.​For perspective, here is the projects timeline:8. November - 2019: Launched public beta12. February - 2020: Launched first big feature4. March - 2020: 800 users21. March - 2020: 900 users7. April - 2020: Launched second feature11. April - 2020: 1000 users16. April - 2021: 6700 users20. July - 2021: Redesign of entire product (The website, which is the service)10. August - 2021: Latest feature, biggest success so far of the additional features16. September - 2021: 12K users and ending the beta, and launched a paid plan.​To everyone else: keep at it, lets fucking do it!This whole community inspires me every day, thank you! see hubwealthy.com/wealthy

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