1. Introduction

2. The fundamental considerations

3. The transformation equations of the length and time

3.1 Length

3.2 Time

3.3 Motion of one object in two reference frames

4. The derived transformation equations

4.1 Area

4.2 Volume

4.3 Speed

The work Gravity and Mass Distribution inside Gravitational Objects (as a Part three of the work The Spacetime Phenomena) has been published by now. The presented results are unexpected, amazing and shocking, invoking the phenomena from science fiction story.