| 7 | | (astronomy) a collection of star
systems; any of the billions of
systems each having many stars and
nebulae and dust (6) |
| 8 | | Related by common characteristics
or ancestry (6) |
| 9 | | (astronomy) the luminous cloud of
particles surrounding the frozen
nucleus of a comet; forms as the
comet approaches the sun and is
warmed (4) |
| 10 | | Of a moderate purple colour (8) |
| 11 | | A giant planet with a ring of ice
particles; the 8th planet from the
sun (7) |
| 13 | | A set of eight similar things
considered as a unit (5) |
| 15 | | (astronomy) the precise date that
is the point of reference for
which information (as coordinates
of a celestial body) is referred (5) |
| 16 | | Impairment of normal physiological
function affecting part or all of
an organism (7) |
| 18 | | The second largest of Jupiter's satellites (8) |
| 19 | | The point on the celestial sphere
toward which the sun and solar
system appear to be moving
relative to the fixed stars (4) |
| 21 | | A man who is engaged to be married
|
