The Universe

3. bang theory The universe as we know it started with an indefinitely hot, infidelity dense singularity, then inflated first at unimaginable speed, and then at a more measurable rate over the next 13.8 billion years to the cosmos that we know today.
6. diagrams Are used to represent smaller or larger objects, shape or image.
7. system The collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids and comets.
8. An optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses.
9. A supposition or a system of ideas intended to explain something, especially one based on general principals.
11. The force that attracts a body towards the centre of the earth, or towards any other physical body healing mass.

1. A cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against the other luminous matter.
2. All existing matter and space considered as a whole. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies.
4. A celestial body moving in an elliptical orbit round star.
5. A rover is a planetary surface exploration device designed to move across the solid surface on a planet or other planetary mass celestial bodies.
6. model It is a scientific activity that aims to make the world understand better by defining, quantifying, visualizing or simulating by referencing it to existing and usually commonly accepted knowledge.
7. A fixed luminous pint in the night sky which is a large, remote incandescent body like the sun.
10. planet A celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classified as such.
11. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.