Worksheetsgalaxies
Total questions: 11
Worksheet time: 5mins
What are galaxies?
a place in space where gravity pulls so much that even light can not get out
sprawling systems of dust, gas, stars and dark matter
the earth's natural satellites
non-luminous materials that are postulated to exist in space
What are the 3 main types of galaxies?
spiral, round, triangular
irregular, rectangular, wide
elliptical, irregular, spiral
asymmetrical, round, circular
What are elliptical galaxies characterised by?
two or more spiral arms extending outwards
appearing misshapen
not being able to contain contain up to a trillion stars
being smooth, having no distinct features
What's the name of the closest galaxy to the Milky Way?
(a)
How many galaxies are estimated to be in the observable universe?
200 billion
100 million
4 billion
400 billion
Who found a way to classify galaxies?
(a)
What will be a result of the merging process of Milky Way and Andromeda?
a spiral galaxy nicknamed "Milkomeda"
an elliptical galaxy nicknamed “Milkomeda”
nothing
the end of the world
How could the galaxies have been formed?
gravity pulled dust and gas together to form individual stars, and those stars drew closer together into collections that ultimately became galaxies
by the death of a massive star
mass of what would become galaxies drew together before the stars within them were created
from rocks through the processes of weathering
How fast does the Milky Way rotate?
about 210 km/s
about 100 km/s
about 500 km/h
about 150 km/s
Where does our Milky Way belong?
Local Group and Virgo Supercluster
Virgo cluster and Local Group
Pleiades and Virgo cluster
Hyades and Virgo Supercluster
What’s the most distant galaxy ever discovered?
Messier 83
GN-z11
NGC 4151
M104
