ASTR 102 Exams Bundle -Questions with Correct Answers/Already Grade A+/ latest 2024/2025

order of red giant's life - Answer Red Giant → Planetary Nebula → White Dwarf → Black Dwarf or Red Giant → Type II Supernova → Neutron Star or Red Giant → Type II Supernova → Black Hol The eventual fate of our Sun is to - Answer become a steadily cooling white dwarf. Our Sun wi...

What is wavelength? - Answer Distance between two crests What is amplitude? - Answer Distance between crest and resting position What is period? - Answer Time between one crest and the next one What is the frequency of a wave? - Answer Number of oscillations that pass by per second (1/Period) H...

Rank by wavelength from shortest to longest - Answer Gamma X Rays Ultraviolet Visible Light Infrared Radio Waves Visible light spans only a very ________ narrow range of wavelengths. - Answer narrow wavelength times _______ equals the speed of light - Answer frequency

Which of the following statements about light focusing is not true? A) In a healthy eye, light is focused on the retina. B) Film should be placed at the focal plane in a camera. C) If you try to look at an image that is not formed at the focal plane, it will be blurry. D) The focal plane of a re...

Life expectancy of a 10Msun star - Answer 10 million years: life expectancy of a _______Msun star life expectancy of a .1 Msun star - Answer 100 billion years: life expectancy of a _______Msun star Coolest stars: ___________ K - Answer 3,000 K Hottest stars: ___________ K - Answer 50,000 K Lea...