Astro 1 psu Study guides, Class notes & Summaries

What is a light year? - distance that light travels in 1 year What is the closest star to Earth besides the Sun? (4.2 ly away) - proxima centauri What is the age of the universe? - 14 billion years What is our cosmic address? What is the Local Group? - Earth, solar system, milky way galaxy, local group, local supercluster Order of planets in our solar system - Mercury, venus, earth, mars, jupiter, saturn, uranus, neptune What is the fastest speed in the universe? - speed of light Typical ...

ASTRO 1 PSU EXAM #10 SOLVED

How much more light does a 12 meter telescope collect than a 6 meter telescope? - 4 times more In the spectroscopy game, what did you do to produce emission lines in the spectrum? - excite the gas in the box What type of light does not get through earth's atmosphere? - x-ray is light a particle or a wave? - both if a telescope in space is only 1/4 the diameter of a telescope on earth, which of the following is true? - the space telescope has a higher magnification than the larger telesco...

ASTRO 1 PSU- FINAL EXAM

Astro 1 PSU- Final Exam Real Exam Questions And Answers Latest Update

Astro 1 PSU Exam 4 Questions & Revised Correct Solutions >Updated < Already Passed!!< Which is the smallest object? - ANSWER : -A neutron star A galaxy has an H-alpha emission line observed at a wavelength 10 percent larger than the rest wavelength of H-alpha. What is the redshift of the galaxy? - ANSWER : -0.1 What is in this image? - ANSWER : -Supernova remnant Which is the most luminous? - ANSWER : -Quasar Which contains the most stars? - ANSWER : -A spiral galaxy Galaxy...

ASTRO 1 PSU EXAM QUESTIONS WITH COMPLETE SOLUTIONS ASTRO 1 PSU EXAM QUESTIONS WITH COMPLETE SOLUTIONS

Why do we see the Moon appear to go through phases as seen from Earth? A. The Moon reflects "Earthshine", so it depends on how much light from the Earth is hitting the Moon B. As the Moon rotates, it presents a different phase to us over the course of its "day". C. Depending on where the Moon is along its orbit, we see different amounts of its illuminated side D. The Earth's shadow blocks out part of the Moon from time to time - C. Depending on where the Moon is along its orbit, we see...

Why do we see the Moon appear to go through phases as seen from Earth? A. The Moon reflects "Earthshine", so it depends on how much light from the Earth is hitting the Moon B. As the Moon rotates, it presents a different phase to us over the course of its "day". C. Depending on where the Moon is along its orbit, we see different amounts of its illuminated side D. The Earth's shadow blocks out part of the Moon from time to time - C. Depending on where the Moon is along its orbit, we see...

Astro 1 PSU Exam QUESTIONS WITH COMPLETE SOLUTIONS Which is the smallest object? - CORRECT ANSWER -A neutron star A galaxy has an H-alpha emission line observed at a wavelength 10 percent larger than the rest wavelength of H-alpha. What is the redshift of the galaxy? - CORRECT ANSWER -0.1 What is in this image? - CORRECT ANSWER -Supernova remnant Which is the most luminous? - CORRECT ANSWER -Quasar Which contains the most stars? - CORRECT AN...