Black Holes, Tides, and Curved Spacetime – Understanding Gravity

Black Holes, Tides, and Curved Spacetime – Understanding Gravity is a digital online course/Ebook with the following format files such as: .mp4 (.avi or .ts), .mp3, .pdf and .doc .csv… etc. You can access this course wherever and whenever you want as long as you have fast internet connection OR you can save one copy on your personal computer/laptop as well.

24/7 Automatic Digital Delivery

After payment, the download link will automatically be sent to your email.

Or you can go to “My Account” to access the course.

1. How to make the payment?

You can make the payment online through this instruction:
1. Visit your product page.
2. Click button “Enroll Course”.
3. Checkout.
Or contact us to get proof and payment details.
1. Email: [email protected]
2. Skype: [email protected]
3. Tawk.to Online Chat
On the bottom right of your screen.

2. What is delivery method?

After your payment,Please check this link for the download: Courses DownloadIn case the link is not working, you will receive DIGITAL download link at YOUR EMAIL ADDRESS after we are online and double check.

3. How long will get download link after payment?

Most of products will come to you immediately. But for some products were posted for offer. We need time to make files and upload. (It takes 8-48 hours) We will try by our best to have download link on time. One immportant thing, you can Online Chat with me and receive download IMMEDIATELY.

4. Contents – Update

We’ve double checked all contents, and they are full for sale. For the courses need to update, we will update and send you update contents by ourselves.

5. Refund policy

All products were double checked before post for sale. So that will not have refund for them. Only make refund for the products that we can not provide. You will get what you paid for or get back your money.

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