Exam IV Astronomy. The twentieth century opened with a major unresolved question among astronomers. What important role do Cepheid variables stars have in astronomy?

Terms in this set (43) The idea that some of the "nebulae" that are observed in the sky might be "island universes"—immense collections of stars far beyond the Milky Way—was first proposed by.

50. Old stars. Learn. Where is the galactic bulge located? Correct a barred spiral galaxy The luminosity of a typical supernova, in the hours following its explosion, is comparable to Cards Return to Set Details. Astronomy, The Milky Way. Gravity. The Sun's position in the Milky Way Galaxy is.

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abamberger94. The mass distribution within the Milky Way closely resembles the type Sbc in the Hubble classification, which represents spiral galaxies with relatively loosely wound arms. The galactic center has: High stellar density, rotating rings of molecular gas, strong x-ray source . Description. The Milky Way in which the Sun resides is an example of which type of galaxy? The Milky way is a galaxy. Graduate. Our Earth is part of the solar system, a system of planets which orbit around the Sun, a star. What type of galaxy is the Milky Way?

SYDNEYIMHOFF. Gravity. Click here to study/print these flashcards.

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Immanuel Kant in 1755. Match. A spiral galaxy, to be more precise.

astro new set. barred spiral. Term. Distance measurements to distant galaxies.

The "Milky Way" is the name given to the galaxy in which we reside. The Milky Way is a galaxy.. We live on Earth, which is a planet. The Milky way is a galaxy. Write.

Terms in this set (32) Globular clusters are made of.

in the disk of the galaxy, inside a spiral arm or segment of a spiral arm. Spell. The Milky way is a galaxy. STUDY. Write. The Milky Way is an example of which type of galaxy?

A spiral galaxy, to be more precise. Created.

Definition. Level . Test. Create your own flash cards! Astronomers first began to suspect that the Milky Way is a barred spiral galaxy, rather than an ordinary spiral galaxy, in the 1960s. Spiral. Astronomy. 12/04/2012. PLAY. For Guy McCann PHCC. Spell. Match. STUDY. What is a Black Hole? Test. Created by .

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