16 Okay, a scientist reports the measurement of the temperature of a new discovered planet to be minus point eight degrees.
17 The total number of species on the planet appears to be growing by leaps and bounds.
18 The planet Jupiter may have no solid surface at all.
19 Pluto is the farthest planet in the solar system.
20 A fuzzy photo released Monday - taken from 1.2 million miles away - appears to show the planet as an elongated blob, not a round space rock.
21 The ozone layer shields the planet from damaging ultra-violet rays, which can cause skin cancer and eye cataracts, and has been recovering after a phase-out of damaging chemicals under the U.N.'s 1987 Montreal Protocol.
22 The new research reinforces that statement from Curiosity's vantage point, and adds the perspective of the Opportunity rover, which has found a different ancient habitable environment on another part of the planet.
23 If we were to crane our necks in the direction of every new massacre or every inexplicable act of human cruelty on the planet we would have lost our heads a long time ago.
24 By gravitation the sun and planets act and react upon one another.
25 The idea that there is life on other planets is the central premise of the novel.
26 The theory is that there was a rare conjunction of certain bright planets that created the image of the so-called 'Star of Bethlehem'.
27 There are nine planets in the solar system.
28 Some scientists believe that comets hold the most primitive materials in the solar system and that they played a role in shaping some of the planets.
29 What resulted was system of planets orbiting in elliptical, not circular, orbits described by three laws.
30 Perhaps alien worlds could be seeded deliberately with terrestrial micro-organisms that might take hold there, jump-starting evolution on those planets.