HG meaning in Space Science ?

Answer:

INFO: Full form for HG is Hitchhiker Goddard Mission in Space Science category
HG also has other full forms in other categories mentioned below.

Full Form	Category
Holographic Grating	Academic & Science
Hazardous Goods	Business
Huge Grain	Business
Horse Gate	Business
Hunan Garden	Business
HyperGen, Inc.	Business
Mercury (hydrargyrum)	Chemistry
Mercury	Chemistry
Home And Garden	Community
Heavy Gauge	Community
Human Geography	Educational Degree
Hardware Gain	Electronics
High Gain	Electronics
Husky Guy	General
Hog Grade	General
Hard Gay	General
Harriett Goodmuth	General
Ho Grandma	General
Harris Giles	General
He Girls	General
Heavy Gold	General
Holohedral Group	General
Hard Gainer	General
A Hunter Graham	General
Hyper Glide	General
Hertzsprung Gap	General
Hawaiian Guitar	General
Hermione Granger	General
Helen Golz	General
Host Group	General
Hugh Grant	General
Hybird Game	General
Hairy Guy	General
Hilda Ginklefief	General
Head Girl	General
Helmet Guy	General
Herbert George	General
Heavens Games	General
Holy Grail	General
Hurricane Gate	General
Honorary Girl	General
High Gloss	General
Heterodera Glycines	General
Heather Gail	General
Handy Games	General
Hill Giant	General
Home Guard	General
Home Grown	General
Harvey George	General
Hyper Growlithe	General
Helicopter Gasoline	General
Hunter Gatherer	General
Harbour Generator	General
Higher Gains	General
Hidden Gem	General
High Gear	General
Harrow Graft	General
His Glory	General
Higher Grade	General
Handle Graphics	General
Hydrogen Generator	General
Hyperemesis Gravidarum	General
Haute Garonne	General
Hollow Grounds	General
Half Gram	General
Harmonic Generator	General
Hunter Gatherers	General
Honor Greatness	General
Heather Green	General
Hungry Goose	General
HOTGI	Indian Railway Station
Hämisches Grinsen	International
Herzlichen Glückwunsch	International
Hunger Games	Internet
Hunting and Gathering	Jobs
Home Gateway	Jobs
Helicopter Guy	Jobs
haemoglobin; Hb is generally preferred	Medical
haplogroup	Medical
haptoglobin	Medical
Hazard Grade	Medical
Healthy Group	Medical
Herpes Gestationis	Medical
High Growth	Medical
Highly Gifted	Medical
Histologic Grade	Medical
Human Gonadotropin	Medical
Human Growth	Medical
hypoglossal	Medical
mercury Hg	Medical
Human Genome	Medical
Hey Guys	Messaging
Hunting Grounds	Military and Defence
High Grade	Military and Defence
High Ground	Military and Defence
Horse Guard	Military and Defence
House Guest	Real Estate
Hitchhiker Goddard Mission	Space Science
Heartland Gamers	Sports
Hunter Girl	Sports