SF meaning in Space Science ?

Answer: What is Safe mean?

A safe (also called a strongbox or coffer) is a secure lockable box used for securing valuable objects against theft and/or damage from fire. A safe is usually a hollow cuboid or cylinder, with one face being removable or hinged to form a door. The body and door may be cast from metal (such as steel) or formed out of plastic through blow molding. Bank teller safes typically are secured to the counter, have a slit opening for dropping valuables into the safe without opening it, and a time-delay combination lock to foil robbers/and or thieves. One significant distinction between types of safes is whether the safe is secured to a wall or structure or if it can be moved around. A less secure version (only suitable for petty cash) is usually called a cash-box.

reference

Full Form	Category
Small Fall	Academic & Science
Square Footage	Academic & Science
Surface Features	Academic & Science
Self-Flocculating	Academic & Science
Spreading factor	Academic & Science
Step Footing	Academic & Science
Suomen Fyysikkoseura	Academic & Science
Finlands Fysikerförening	Academic & Science
Finnish Physical Society	Academic & Science
Static Friction	Academic & Science
Sioux Falls	Academic & Science
Sub Fine	Academic & Science
Shear Force	Academic & Science
Sliding Friction	Academic & Science
Surcharge Free	Accounts and Finance
Structural Funds	Accounts and Finance
Small Farmer	Banking
Self Filling	Business
Scrap Files	Business
So Fine	Business
Super Finished	Business
Supply Fan	Business
Sound Factory	Business
Spanings Foto	Business
Starter Foil	Business
Super Fancy	Business
Small Firm	Business
Shop Floor	Business
Scott Foresman Publishers	Business
Stifel Financial Corporation	Business
s for Financial	Business
Structured Finance	Business
Silk Fence	Business
Sky Flowers	Business
Statement, Final	Business
Social Functioning	Community
Science Fiction	Community
Speculative Fiction	Community
The Sophomore Freshman	Community
Samuel Freeman	Community
Student Financials	Community
School Food	Community
Sunshine Foundation	Community
Single Frequency	Computer and Networking
Superframe	Computer and Networking
Synchronization Flag	Computer and Networking
Sort Flag	Computer Assembly Language
Suppress Form	Computer Assembly Language
Semi Floating	Computer Assembly Language
Store and Forward	Computer Assembly Language
Significant Figures	Computer Assembly Language
Standard Font	Computing
Small Format	Computing
Sign Flag	Computing
Support Facility	Computing
Sky Factory	Computing
Soviet Finland	Country Specific
San Francisco	Country Specific
Service Field	Database Management
Single Field	Database Management
System Field	Database Management
Shallow Faulting	Earth Science
South Fork	Earth Science
Summed Frequency	Electronics
Super Fluorescence	Electronics
Simple Flux	Electronics
Step Frequency	Electronics
Ircam Sound File	File Type
Os/2 Wps Attribute Storage	File Type
Super Field	General
Sucrose Formulated	General
Scarcely Found	General
Sugar Free	General
Shun Fat	General
Selbst Fahrend	General
Sting Free	General
Street Fighter	General
San Francisco 49Ers	General
stand for	General
Short Frame	General
Summer Freeboard	General
Seahawks Forever	General
Small Forward	General
Slow Fox	General
Strike Force	General
Silly Fun	General
Segmented Frame	General
Semi final	General
Sunday Funday	General
s for	General
Slimmer Frame	General
Super Fast	General
stupid F***	General
Semper Fi	General
Strawberry Fields	General
Short Fingers	General
Super Fun	General
Second Factory	General
Soft Feel	General
Straight Flush	General
State Farm	General
Strip Footing	General
Stimulant Free	General
Special Freighter	General
Standard Forms	General
Simple Feature	General
Silver Fallow	General
Series Flotation	General
Splicing Factor	General
Symbol Fetcher	General
Sanitizesan Francisco	General
Soviet Francisco	General
Sandbox Francisco	General
Sewer Francisco	General
San Fecalcisco	General
San Flushcisco	General
Smelly Francisco	General
San Franturdcisco	General
San Franseptic	General
Sad Francisco	General
inSANe Francisco	General
San Fransucko	General
San Fransicko	General
San Franstinkhole	General
Sidewalk Fecal	General
Shame Francisco	General
San-itarylandfill Francisco	General
Sanity Falls	General
Straight Facts	General
Strategic Foresight	General
Structure Factors	General
Sour Flour	General
Sacrifice Flies	General
Side Focus	General
Soros Francisco	General
stuff	General
Slip Form	General
Solid Frame	Governmental
Subject Fit	Governmental
Straight Forward	Governmental
San Fernando Electronics	Governmental
Senate File	Governmental
Scranton Flats	Governmental
Starboard Forward	Governmental
Short Form	Governmental
Sneads Ferry, North Carolina	Governmental
Supreme Fascist	Governmental
San Francisco Field Office	Governmental
Safety, Reliability and Quality Assurance (R&QA), and Protective Services	Governmental
State Forest	Governmental
Soviet Farm	Governmental
Security Forces	Governmental
Sustained Fire	Governmental
SETTIGUNTA	Indian Railway Station
Sostantivo Femminile	International
Sifat	International
Sureno Familia	Internet
Spam Factory	Internet
Supervised Functional	Jobs
Stackelberg Follower	Maths
Scaling Factor	Maths
Simple Function	Maths
Square Feet	Measurement Unit
Square Foot	Measurement Unit
Sandals And Feet	Medical
Serious Fall	Medical
Spew Factor	Medical
Superior Feel	Medical
Swine Flu	Medical
Scatter Factor	Medical
Spinal Fluid	Medical
Sapheno‐Femoral	Medical
Superficial Femoral	Medical
Supremely Frustrating	Messaging
Sexy Female	Messaging
Silly Female	Messaging
Standard Form	Military and Defence
Special Forces	Military and Defence
Security Force	Military and Defence
Security Forces (air Force Or Navy)	Military and Defence
Symmetry Factor	Physics Related
Static Force	Physics Related
Shield Fusion	Physics Related
Strong Field	Physics Related
Speed Figure	Physics Related
Structured Field	Physics Related
Surface Friction	Physics Related
Singular Field	Physics Related
Super Free	Physics Related
Schrodinger Functional	Physics Related
Single Family	Real Estate
Suomi Finland	Regional
Schweizer Franken (Swiss Franc)	Regional
Sentence Fragment	Regional
South Fargo	Regional
Stratified Fudget	Softwares
Snazzy File	Softwares
Source Forge	Softwares
Shared Frameworks	Softwares
Safe	Space Science
Safe, R and Qa (r&qa), and Protective Services (ksc Directorate)	Space Science
Safety Factor	Space Science
Selection Filter	Space Science
Signaling Frequency	Space Science
Sliding Filter	Space Science
Star Field	Space Science
Static Firing	Space Science
Subcontractor Furnished	Space Science
Structural Foam	Space Science
Sport Fairing	Sports
Shooting Forward	Sports
Sword and Fist	Sports
Sets For	Sports
Scuderia Ferrari	Sports
Sacrifice Fly	Sports
San Francisco Giants	Sports