ER meaning in Space Science ?

Answer: What is Eastern Range mean?

The Eastern Range (ER) is an American rocket range (Spaceport) that supports missile and rocket launches from the two major launch heads located at Cape Canaveral Space Force Station and the Kennedy Space Center (KSC), Florida.: 5 The range has also supported Ariane launches from the Guiana Space Centre as well as launches from the Wallops Flight Facility and other lead ranges.: 7 The range also uses instrumentation operated by NASA at Wallops and KSC.: 12 

The range can support launches between 37° and 114° azimuth. The headquarters of the range is now the 45th Space Wing at Patrick Space Force Base.: 1 

reference

Full Form	Category
Enclosing Region	Academic & Science
Earth Resource	Academic & Science
Exposed Run	Academic & Science
Extinction Ratio	Academic & Science
Engineering Release	Academic & Science
Explicit Rate	Accounts and Finance
Excess Reserves	Banking
External Relations	Business
Eastmain Resources Incorporated	Business
Exercise Room	Business
Erbium	Chemistry
Electron Reflectometer	Chemistry
Emergency Rescue	Community
Earthquake Relief	Community
Educational Retirement	Community
Elizabeth Regina	Community
Edward Rizzo	Community
Elizabeth Ransome	Community
Emilia-Romagna	Community
Edit and Revise	Community
Electronic Payment Received	Community
Examine Register	Computer Assembly Language
Entity Relationship	Computing
Escape Request	Computing
Eritrea (TLD)	Computing
Eritrea	Country Names
European Russia	Country Specific
Electrode Rod	Electronics
Equalizing Reservoir	General
Edit Rotate	General
Emissive And Reflective	General
Egress Router	General
Entity Relationships	General
Eu Regio	General
Equation Reference	General
Enjoying Rigoletto	General
Enthan Raajiyathil	General
Epichlorohydrin Rubber (Homopolymer)	General
Elliptical Reflector	General
Efficiency Review	General
Everyones Retarded	General
Everyone Replaceable	General
Elizabeth Richards	General
Everybodys Retarded	General
End Reflect	General
Extra Rare	General
Enchiladas Refried	General
Enchiladas Regurgitated	General
Enter Rectum	General
Eternally Redeemed	General
Early Riser	General
Emergency Reprehensible	General
Elite Region	General
Enjoy The Reruns	General
Elizabeth Rex	General
Extra Resources	General
Euplotes Raikovi	General
Expanded Response	General
Easy Riders	General
Engineer	General
Earned Runs	General
Early Recollections	General
Emergency Rooms	General
Eye Roll	General
Expense Ratio	General
Extra Revenue	General
Easy To Read	General
Essential Repeat	General
Escape Room	General
Endoplasmic Reticlium	General
Exceptional Renovation	General
Extortion Room	General
Epoc Release	General
Earth Resources	General
Evaluate Refute	Governmental
Employee Relations	Governmental
Extended Resolution	Governmental
Evidence Rules (court rules)	Governmental
Emergency Response	Governmental
East Rudolf	Governmental
Energy Release	Governmental
Erie	Governmental
Everybody Run	Governmental
Expert Resources	Governmental
Emergency Rule	Governmental
Earth Road	Governmental
Enslaved Race	Governmental
Eastern Railway	Indian Ministry of Railways
Easily Replaced	Jobs
Estrogen receptor	Medical
External Rotation	Medical
Eat Regularly	Medical
Endoplasmic Reticulum	Medical
Euthansia Run	Medical
Early Referral	Medical
Early Relapse	Medical
Early Repolarisation	Medical
Early Response	Medical
Ejection Rate	Medical
Electrical Resistance	Medical
electrorheology	Medical
Elimination Rate	Medical
Embryonal Rhabdomyosarcoma	Medical
Emotional Reactivity	Medical
Endocardial Resection	Medical
Endoluminal Repair	Medical
Endoscopic Resection	Medical
Endovascular Repair	Medical
Emergency Room	Medical
Endurance Runner	Medical
Enoyl Reductase	Medical
Enzyme Reactor	Medical
Epigastric Region	Medical
epiregulin	Medical
Epoxy Resin	Medical
ER alpha	Medical
Error Rate	Medical
Erythrocyte Rosette	Medical
Esophageal Rupture	Medical
emergency department	Medical
Enantiomer Ratio	Medical
Energy Restriction	Medical
estrogen receptor status	Medical
estrogen receptor. See ER	Medical
Etoposide-Resistant	Medical
Eustachian Ridge	Medical
Environmental Resistance	Medical
Evaporation Rate	Medical
Evoked Response	Medical
Excretion Rate	Medical
Exertional Rhabdomyolysis	Medical
Expiratory Reserve	Medical
expression of oestrogen receptor	Medical
Extended-Release	Medical
Extreme Resistance	Medical
Event-Related	Medical
Excision Repair	Medical
External Resistance	Medical
oestrogen receptor. See ER	Medical
Enhanced Response	Medical
Early Release	Medical
Electronic Relationships	Messaging
Ever Ready	Military and Defence
Expected Runs	Military and Defence
Extended Range	Military and Defence
Extended Response	Military and Defence
Electronic Reserve	Military and Defence
Electro Rheological	Military and Defence
Elastic Recoil	Physics Related
English Russian	Regional
Explanation Report	Space Science
Eva Rescue	Space Science
Eastern Range	Space Science
Event Referee	Sports
Event Registration	Sports
Engineered for Racing	Sports
Extra Receiver	Sports