The Inner Solar System
The Planets of the Inner Solar System
•
•
•
•
National Schools'
Observatory
•
•
•
•
Factfile:
A globular cluster is
a spherical grouping of
tens of thousands of
stars, which are tightly
bound by gravity.
Factfile:
Globular Cluster
A globular cluster is
a spherical grouping of
tens of thousands of
stars, which are tightly
bound by gravity.
They are found in the
outer reaches of spiral
and elliptical galaxies.
•
•
•
•
Globular Cluster
Globular Cluster
•
•
•
•
National
Schools'
Observatory
National
Schools'
Observatory