1 SUMMARY  
2 INTRODUCTION  
3 LEM ALL-SKY SURVEY  
4 GALACTIC CGM  
4.1 OUTER GALAXY: DISK - HALO INTERFACE  
4.2 INNER GALAXY: AGN BUBBLES IN OUR BACKYARD?  
5 LOCAL HOT BUBBLE  
6 HELIOSPHERE  
7 STACKING & CROSS-CORRELATING  
8 GALACTIC DIFFUSE OBJECTS  
9 SERENDIPITOUS SCIENCE  
10 CONCLUSIONS