Page 13 - Ultimate Visual Dictionary (DK)

ANATOMY OF THE UNIVERSE

ORIGIN AND EXPANSION OF THE UNIVERSE OBJECTS IN THE UNIVERSE

Quasar (probably the center
of a galaxy containing a
massive black hole)

Universe about five
billion years after
Big Bang

CLUSTER OF FALSE-COLOR IMAGE
Protogalaxy GALAXIES IN VIRGO
(condensing gas cloud) OF 3C273 (QUASAR)

Galaxy spinning and
flattening to become
spiral shaped

NGC 4406 NGC 5236
(ELLIPTICAL GALAXY) (BARRED SPIRAL GALAXY)
Dark cloud
(dust and gas
condensing
to form a
protogalaxy)

Elliptical
galaxy in
which stars
form rapidly
NGC 6822 THE ROSETTE NEBULA
(IRREGULAR GALAXY) (EMISSION NEBULA)

Universe today
(13–17 billion years
after Big Bang)

THE JEWEL BOX THE SUN
Cluster of (STAR CLUSTER) (MAIN SEQUENCE STAR)
galaxies held
together by gravity

Elliptical galaxy
containing old stars
and little gas and dust
Irregular galaxy
Spiral galaxy
containing gas,
dust, and young stars
EARTH THE MOON

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