HL meaning in Space Science ?

Answer: What is Hardline mean?

In politics, hard-line is an adjective describing a stance on an issue that is inflexible and not subject to compromise. A hardliner is a person holding such views. The stance is usually far from the centrist view. People, policies, and laws can be considered hard-line. A hardliner may be either a reactionary or a revolutionary. Synonyms for hardliner include diehard, hawk, extremist, fanatic, or zealot. The term is almost always relative to the Overton window of a given time and place.

reference

Full Form	Category
Hurricane Landcrash	Academic & Science
Happiness Level	Academic & Science
Hamilton Library	Academic & Science
Host Language	Academic & Science
Hectoliter	Academic & Science
Hall of Languages	Academic & Science
Hard Limiting	Business
Hecla Mining Company	Business
Home Loan	Business
Hall and Lieberman economic theory	Business
Heavy Lift	Business
Heilmann and Lieb (non-crossing Rule)	Chemistry
Half Life	Chemistry
Heavy Liquid	Chemistry
Hypothetical Learning	Community
Higher Level	Community
Horse Life	Community
Hashed List	Computing
Hora Lagna	General
Hot Launch	General
High Loft	General
High Lord	General
Membership Hot Line	General
Hup Leck	General
Hes Lying	General
High Luster	General
Habs Lampoon	General
HogwartsLive	General
High Load	General
High Launch	General
Hypotenuse Leg	General
Healthy Living	General
Harry Larry	General
hương lộ	General
Heart Lung	General
Hitachi Lg	General
High Lumen	General
High Lanuch	General
Hard Labour	General
Hot Load	General
Hac Lege	General
Hazardous Location	General
Harlan Leonard	General
Hidden Layer	General
Henry Louis	General
Hiram Lewis	General
High Low	General
Horizontal Landing	Governmental
the House of Lords	Governmental
House of Lords	Governmental
HochLicht	International
HektoLitre	International
Hopeful Lurker	Internet
Haliaetus Leucocephalus	Medical
Hearing Loss	Medical
Heart and Lungs	Medical
Hair Loss	Medical
Hepatic Lipase	Medical
Hepatic Lipidosis	Medical
Hearing Level	Medical
Hyperpigmented Lesions	Medical
Head Lice	Medical
Health Level	Medical
Humerus Length	Medical
hyperlipidemia	Medical
Hapag-lloyd	Messaging
Heat Loss	Physics Related
Holland	Regional
Heart Land	Regional
High Level	Space Science
Hinge Line	Space Science
Hydrogen Line	Space Science
Hardline	Space Science
Heel Line	Space Science
Hockey League	Sports
Head Linesman	Sports