in the denseness of space from the use of technology only. SPDP - This was used on the SFU to test things going really fast in space. SPDP stands for (Space Plasma Diagnostic Package) and it was deployed with different sensors to check the effects of speed on the denseness of gravity. EPEX - This hardware that was built into the SFU was meant to do experiments related to fuel creation and management in space. MEX - This software was meant to review and research the effects of various types of liquid within a space environment. BIO - This test involved observing Japanese fire belly newt eggs hatch in deep space. See also List of largest infrared telescopes References Further reading External links ISAS Data Data Page Satellites of Japan Spacecraft launched in 1995 Infrared telescopes Space hardware returned to Earth intact