A to Z: Space

Name these space related items starting with each letter A - Z.

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Last updated: November 23, 2021

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First submitted	July 11, 2018
Times taken	86
Average score	57.7%
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Hint		Answer
Scientific name for the Northern Lights	A	Aurora Borealis
Large star that shares it's name with a 1988 horror film	B	Betelgeuse
Small celestial object with a nucleus of ice and dust and a tail of gas particles	C	Comet
Substance believed to make up 70% of space	D	Dark Energy
Lowest speed an object must have to leave a gravitational field	E	Escape Velocity
Process stars undergo to change hydrogen into helium	F	Fusion
Italian astronomer who discovered the 4 largest moons of Jupiter	G	Galileo Galilei
Space telescope found in low Earth orbit that was launched in 1990	H	Hubble Telescope
Radiation with a greater wavelength than visible light	I	Infrared
Group of planets that consists of Jupiter, Saturn, Uranus and Neptune	J	Jovian
S.I. unit of temperature	K	Kelvin
Unit of distance used for astronomical terms	L	Light Year
Name of the galaxy which our solar system is in	M	Milky Way

Hint		Answer
Formation of gas and dust where young stars form	N	Nebula
Constellation resembling a hunter with a sword and bow	O	Orion
State of matter that is found in stars, made of an ionised gas	P	Plasma
Extremely luminous galaxy centre that may contain a supermassive black hole	Q	Quasar
Stage a star reaches when it begins to produce heavier elements	R	Red Giant
The "Dog Star"	S	Sirius
Largest of Saturn's moons	T	Titan
Term for all matter and space as a whole	U	Universe
Second closest planet to the Sun	V	Venus
Final stage of a star where light is still being given off	W	White Dwarf
Type of radiation used in medical imaging	X	X-Rays
Term for one full rotation of the Earth	Y	Year
Point directly overhead of an observer	Z	Zenith