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Intro to Astronomy
Final Exam
46
Astronomy
Undergraduate 2
12/09/2012

Additional Astronomy Flashcards

 


 

Cards

Term
These types of stars become white dwarf stars and then black
Definition
Low Mass Stars
Term
this is the part of a comet that begins 3 AU's away from the sun
Definition
Coma
Term
these types of stars become either neutron stars or black holes
Definition
Low Mass Star
Term
Red color stars have mainly _____ wavelengths (hint: go back to the beginning of the semester)
Definition
longer
Term
After hydrogen converts into helium as a low mass star begins to die, the helium is eventually converted into ___ which cannot convert. Gravity then collapses it.
Definition
carbon
Term
This type of magnitude is determined from 32.6
Definition
Absolute
Term
Mr. Christy found this satelite of Pluto.
Definition
Charon
Term
When the center of a large mass star becomes ____ it can no longer ignite because it has more neutrons than protons and gravity then collapses it from the size of Earth to 6 miles wide in less than one second.
Definition
Iron
Term
When the exterior of meteoroids heat up and produce a light _______ are then formed.
Definition
Meteors
Term
This is the greater meteor shower that occurs in December
Definition
Gemini Meteor Shower
Term
the asteroid______is located 2.5 AU from sun.
Definition
belt
Term
This cloud of a comet is approximately 6 million miles in size.
Definition
Term
This comet can be seen every 76 years.
Definition
Halley's Comet
Term
These are solid pieces of space debris, asteroids or nebulae and are only on the outside-exterior-of the earth
Definition
Term
Stars are determined by their size, _____and how far away they are from the sun.
Definition
energy
Term
This occurs as a large mass star begins to die and carbon is changing into heavier elements
Definition
Nucleosynthesis
Term
Our galaxy is called the ____ ______.
Definition
Milky Way
Term
This person cleaned telescopes at the Lowell Observatory in Illinois and found Pluto.
Definition
Tombaugh
Term
Comets _____ survive forever.
Definition
never
Term
The nucleus of a comet is approximately .06-____ miles.
Definition
Term
As a low mass star begins to die and helium is burning it reaches triple alpha process when it reaches one ____million k.
Definition
one hundred million k.
Term
The number 134340 is associated with what?
Definition
Pluto being a dwarf planet
Term
The first asteroid, now a dwarf planet is___.
Definition
Ceres-discovered by Piazzi
Term
These are mostly frozen water and gases.
Definition
comets
Term
this part of the comet that defines it begins 1 AU from the sun.
Definition
comet tail forms
Term
This person found the first asteroid.
Definition
Piazzi
Term
This crater caused by a meteorite is found in Winslow, AZ
Definition
Barringer Crater
Term
C, S and M are three types of _____.
Definition
classifications of asteroids
Term
Our _____ appears to be the brightest apparent magnitude.
Definition
Sun
Term
The reason pluto in not a planet is because it doesn't clear the ____.
Definition
neighboring orbit
Term
move so fast they leave inner solar system after one pass by the Sun and take 1m-30 million years to return
Definition
long-period comets
Term
this star has the brightest absolute magnitude.
Definition
Sirius
Term
Stony, stony-iron and iron are three types of______.
Definition
Meteorites
Term
Asteroids are mostly ____and metals.
Definition
rock
Term
This is the meteor shower that occurs in August.
Definition
Perseid Meteor Shower
Term
Pluto is now considered to be a ___planet.
Definition
dwarf
Term
These are thought to be stars but are actually meteors.
Definition
Fireballs, shooting stars, bolides
Term
Cooler stars are this color.
Definition
Red
Term
The coma of a comet is approximately ___,000 miles.
Definition
6
Term
The ___ ___ is on its way to Pluto.
Definition
New Horizons
Term
This explosion occurs when gravity collapses a large mass star and is actually the most energy the star has produced its whole lifespan.
Definition
supernova
Term
The most stable part of a comet is the ___.
Definition
nucleus
Term
A short period comet comes from the ___ belt.
Definition
Kuiper Belt
Term
this is the gap in the asteroid belt between Mars & Jupiter.
Definition
Kirkwood Gap
Term
the tail of a comet is always ___ from the sun.
Definition
away
Term
Stars that are stable and mature are likely a ____ sequence star.
Definition
main
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