Astronomy: Final Exam Study Guide Using the H-R Diagram, what part of the diagram

corresponds to the main sequence? Using the H-R Diagram, what part of the diagram

corresponds to the sun’s location? In which area of the Hertzsprung-Russell diagram do stars

spend the majority of their lives? Use the Stellar Motions diagram to answer the next two

questions: The star’s proper motion equals The star’s radial velocity equals Using Table 1 as a resource, which of the following stars is

Star B in the HR Diagram below? (second, or colored diagram)

Using Table 1 as a resource, which of the following stars is coolest?

What is the magnification produced in a 6-inch (150mm) reflector by a 16mm eyepiece? The telescope’s focal length is 1200mm.

What is the f/number of the above telescope? __________ first classified galaxies into elliptical, spiral, and

irregular categories. __________ galaxies are divided into normal and barred __________ galaxies are spherical or egg shaped “c” is equal to A 6-inch Newtonian telescope could suffer from A star of magnitude -1 is __________ than a star of magnitude

+6. A well-known black hole candidate is According to Hubble’s law, the __________ a galaxy is, the

__________ it is receding. At what distance would a star’s absolute and apparent

magnitude be equal? Elements heavier than iron were created by For the northern hemisphere, the celestial sphere appears to

rotate about an axis directed towards the star How many of the modern 88 constellations came from ancient

Greece? If the critical density is great enough, In a pair of 10x50 binoculars, the “50” refers to the Johann Bayer selected the letters of which alphabet to name

the skies brightest stars? Johann Dreyer compiled the M13 is a/an Our galaxy appears to have formed Our Milky Way belongs to a typical small galaxy cluster

named Population I stars reside within the __________ of a galaxy, population II stars reside within the __________ and __________ of a galaxy. Stellar evolution is a function of a star’s (select best answer) The __________ lies at the center of the celestial sphere The average length of the solar cycle, or the length between one solar maximum and the next, is about The Crab Nebula was created by The distance from one part of a wave to the next corresponding part is The extension of earth’s equator onto the celestial sphere is called the __________ The following people named many of our bright stars (select the best answer). The height of Polaris above the north horizon is equal to an observer’s The matter between stars is termed the The method of safe solar observing that involves observing the sun’s image on a flat surface such as paper or cardboard is termed The most distant and powerful objects in the universe are The oldest of a galaxy’s stars are termed The part of the celestial sphere corresponding to the Prime Meridian is the The pattern of dark lines in a star’s spectrum tells what about the star (select best answer)? The possessive form of the star name Sirius would be The rival of the Big Bang theory, the Steady State, claims that The Schmidt-Cassegrain is a popular type of The star Aldebaran lies in which constellation? The study of the origin, structure, evolution, and destiny of the universe is

The sun travels about ____ along the ecliptic each day. This apparent motion of the sun is caused by earth’s __________.

The theory of rapid acceleration just after the Big Bang occurred is termed This astronomer compiled 110 of the skies brightest deep sky objects in a list. This astronomer created the magnitude scale. Vega is a bright star in which constellation? What constellation is termed the Great Bear? What constellation is termed the Hunter? What does the Doppler Effect indicate about our universe? What form of electromagnetic radiation has the longest wavelengths? What is albireo? What is the general term for the creation of elements within a star? What is the major element that formed the stars and sun? What is the name of the point directly overhead? What is the name of the sun’s direction of motion in space? What is the significance of the zodiac? What magnitude is the approximate limit of human vision? What phenomenon accounts for a 26,000-year shift in the position of the north celestial pole? What star will be the North Star in 14,000 AD? What use do Cepheid variable stars have for astronomers? Where is our sun in the following list of stellar evolution milestones? Which celestial coordinate is analogous to longitude on a terrestrial globe? Which celestial coordinate ranges 90º above or below the celestial equator? Which celestial coordinate ranges from 0-24 hours along the celestial equator? Which constellation is considered the 13th member of the zodiac Which of the following are apparent outbursts or arches of gases visible along the edge of the sun? Which of the following are north circumpolar constellations? Which of the following describes an absorption spectrum? Which of the following describes the oscillating Big Bang model of the universe? (best answer) Which of the following is a famous planetary nebula? Which of the following is used to measure the distances to nearby stars? Which of the following stars is brightest? Which star has the greatest proper motion? Which type of telescope uses only lenses to collect light? Which types of stars were originally thought to emit signals from an alien civilization? Why are astronomers searching for missing mass? Your fist measures an angle of about _____ on the sky?

Table 01Star Apparent Magnitude Spectral Class Distance (light years) Absolute MagnitudeBarnard’s Star 9.56 M3 6 13.4Betelgeuse 0.50 M2 1400 -7.2Procyon 0.38 F5 11.4 2.6Rigel 0.12 B8 1400 -8.1Sirius -1.46 A1 8.6 1.4Sirius b 8.11 White Dwarf 8.6 11.3Spica 0.98 B1 220 -3.2Vega 0.03 A0 25 0.6

HR Diagram for underlined questions

(right)