9. Corona Photosphere Core Q & A: Subjective Question Chromosphere Photosphere,chromosphere and corona Corona High pressure and temperature cause hydrogen nuclei fusing to form helium nuclei. Energy is released during the nuclear fusion. Disruption of radio signals and telecommunication system. Occurrence of auroras in the North and South poles. www.ecube.my
10. Corona Prominence Photosphere Core Sunspot Q & A: Subjective Question Chromosphere Flare A C D B G F E High pressure and temperature cause hydrogen nuclei fusing to form helium nuclei. Energy is released during the nuclear fusion. This energy is carried to the surface of the Sun where it released as heat and light. www.ecube.my
11. Photosphere Corona Chromosphere Core Q & A: Subjective Question Solar flare, prominence and sunspot. Chromosphere and corona. High pressure and temperature cause hydrogen nuclei fusing to form helium nuclei. Energy is released during the nuclear fusion. Hydrogen and helium. 28 times. White dwarf and later black dwarf. www.ecube.my
12. 1) A 2) D 3) B 4) A 5) A 6) C 7) D 8) A 9) D 7) C 8) D 9) A 10) D 11) D 12) B 13) B 14) B 15) D 16) C 17) B Q & A: Objective Question www.ecube.my
14. 9.2: Stars & Galaxies Prepared by: Ethan Tan www.ecube.my
15. What is Star? - A self luminous gaseous body. - The Sun is a star. - Stars have different: Size 9.2: Stars and Galaxies Colour Brightness Temperature www.ecube.my
18. What is a Nebula? - Clouds of gas or dust. - They glow by reflecting light of nearby stars. 9.2: Stars and Galaxies www.ecube.my
19. Formation of a Star 9.2: Stars and Galaxies www.ecube.my
20. Medium-sized star: White dwarf 9.2: Stars and Galaxies Giant star: Neutron star Supergiant star: Black hole Death of a Star www.ecube.my
21. Galaxies 1) A system of stars. It is made up of gas, dust and millions of stars. 2) 3 types of shapes: Elliptical Irregular Spiral 9.2: Stars and Galaxies www.ecube.my
22. 3) Solar system is located in the Milky Way galaxy. 4) Milky Way consists of about 200 billion stars. 9.2: Stars and Galaxies www.ecube.my
30. Helping in development of space exploration.9.3: The Existence of the Universe www.ecube.my
31. Q & A: Subjective Question Nebula When enormous clouds and dusts in nebula collapse under gravity. It causes the cloud to condense and the core temperature rises until nuclear reaction occurs. Heat and light produce and new star is born. Sirius Rigel Blue star Red star www.ecube.my
32. Q & A: Subjective Question Milky Way. Gas, dust and millions of stars. Spiral. It is a self luminous gaseous body. The Sun. www.ecube.my
33. Q & A: Subjective Question White dwarf Neutron star Black hole Size Colour Brightness Temperature Sirius Rigel www.ecube.my
34. Q & A: Subjective Question Helium Hydrogen The core will shrink and heat up while nuclear reaction stop. Supernova www.ecube.my
35. Q & A: Subjective Question Nuclear reaction. Very large star Red giant Red supergiant The expanding and cooling of outer layer. Supernova Very dense. A large cloud of gas and dust. Very strong gravitational force. www.ecube.my
