web-banner-issue-11RocketSTEM • April 2015 • Vol. 3 No. 2 (Issue 11)

Welcome our supersize collector’s issue of RocketSTEM devoted 100% to the 25th anniversary of the Hubble Space Telescope observing the Universe from Earth’s orbit.

Educators and students may reuse the magazine’s material in their classrooms, however, no commercial use or other reproduction is allowed. And, as always, every issue remains free to read online or download as a PDF.

Table of Contents

Showing humanity the Universe For 25 years, the Hubble Space Telescope has been peering outward.

Hubble’s greatest discoveries Ground-breaking discoveries made possible by Hubble.

Edwin P. Hubble The man behind the name of the space telescope.

How they do it Processing B&W images from Hubble into stunning full-color.

Making house calls Quick glance at the first four servicing missions.

Last visit to Hubble The mission that almost never happened, STS-125.

RocketSTEM april 2015 front cover

RocketSTEM • April 2015 • Vol. 3 No. 2 Issue 11 (ISSN: 2326-0661)  © 2015 All Rights Reserved

Print Copies Available

Once again we are pleased to announce high-quality printed copies of this issue are available for purchase.

Make a Donation

RocketSTEM Media Foundation is a not-for-profit organization established for the purpose of fostering science, technology, engineering and mathematics (STEM) education via the promotion of the wonders of space exploration.

If you enjoy this magazine, please consider making a donation to our organization.

One-time donations may be made via PayPal on our website. Our donation page’s web address is: www.rocketstem.org/donate/.

We’ve established a page at Patreon (www.patreon.com/rocketstem) where you can support our endeavours. By making a pledge via Patreon, you will be giving a donation automatically after each new issue of the magazine is published. On the months where we do not publish a new issue, you’ll owe nothing.

We hope you will continue to be inquisitive about this universe we all inhabit.

RocketSTEM Media Foundation is registered with the I.R.S. as a tax-exempt charity under Section 501(c)(3) of the tax code. Donations are fully tax deductible.



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