| SUN | A star with the mass of approx. 2 x 1030 kg |
| ENERGID | The nucleus of a cell together with the mass of protoplasm around it (7) |
| KILO | Approx 2 point 205 lbs |
| MAPLE | Tree is full with the mass at its head |
| MOUSSE | French word first used in English to describe the mass of tiny bubbles on the surface of a glass of champagne, later for a light frothy whipped pudding, reminiscent of this (6) |
| COMET | Heavenly body in the solar system like a star, with a luminous mass around it and a long luminous tail |
| KILOGRAM | Metric unit of mass that is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 of this unit. (8) |
| NAIROBI | Situated at an altitude of approx 1,680 metres, the capital of Kenya (7) |
| BOSSANOVA | Springsteen is a star with a piece of South American music (5,4) |
| CELERITY | The speed of a star with no centre (8) |
| OXYGEN | Accounting for 65 per cent of the mass of the human body, the third-most abundant element in the universe, atomic number eight (6) |
| DARKMATTER | A large proportion of the mass of the universe (4,6) |
| DENSITY | The ratio of the mass of a substance to its volume (7) |
| STELLATE | Looking like a star with stuff in show? The opposite (8) |
| MARGOTKIDDER | Migrated dork turns into a star with a Superman connection (6,6) |
| ARISTA | I have a star with a bristle-like appendage |
| WALDEN | Whence the line 'The mass of men lead lives of quiet desperation' |
| POPULACE | "Rhythmic music" - a clue to be solved by the mass of the people (8) |
| ROE | The mass of eggs of a fish (3) |
| MICROGRAM | One is roughly the mass of a speck of dust |
