Dwarf galaxies contain only dwarf stars

Assignment Help Physics

Reference no: EM13653321

1. It is believed that a ring of old stars around the Milky Waymight have been formed by a previous merger of twoGalaxies.
A True
B False

2. What name is given to a galaxy with a smooth distribution ofbrightness and a round, spherical shape?
A SBa
B Sa
C E0
D E7

3. There is little or no interstellar dust or gas in which of thefollowing galaxy types?
A Spirals.
B Barred spirals.
C Ellipticals.
D Irregulars.

4. Dwarf galaxies contain only dwarf stars.
A True
B False

5. According to the Hubble classification scheme, an E3galaxy
A has a shortercentral bar in its disk than an E5 galaxy.
B has more tightly woundspiral arms than an E5 galaxy.
C is rounder-looking thanan E5 galaxy.
D is flatter-looking thanan E5 galaxy.

6. Who developed the "tuning-fork" diagram connecting thedifferent shapes of elliptical and spiral galaxies?
A EdwinHubble.
B StephenHawking.
C EjnarHertzsprung.
D MartinSchwarzschild.

Reference no: EM13653321

Questions Cloud

Define compound b can be transformed with ether : Finally compound B can be transformed with lithium aluminum hydride (ether) then aqueous acid to compound C (M+ = 99 m/z). What are A, B, and C

Earths magnetic field is horizontal with a magnitude : A straight 2.00-m, 150-g wire carries a current in a region where the earth's magnetic field is horizontal with a magnitude of 0.55 gauss. a) What is the minimum value of the current in this wire so that its weight is completely supported by the m..

Find in what directionis the plumb line on train deflected : A high speed train is traveling at a constant 150 m/s ( about300mph) on a straight, horizontal track across the south pole. In What directionis the plumb line on the train deflected

Depict the three c-containing products : Draw the three C-containing products that are obtained when 2-bromo-2-methylpropane is dissolved in a mixture of 80% ethanol and 20% water.

Dwarf galaxies contain only dwarf stars : What name is given to a galaxy with a smooth distribution of brightness and a round, spherical shape? There is little or no interstellar dust or gas in which of thefollowing galaxy types? Dwarf galaxies contain only dwarf stars.

What is the buoyant force on the cube : A cube with a side of 15 cm floats at the surface between water and oil. The oil has a density of 810 kg/m3. what is the buoyant force on the cube

Evaluate the number of moles of ba(oh)2 : Calculate the number of moles of BA(OH)2 that will react with 0.600 mol of H3PO4 to form BA(H2PO4)2

Find what is the velocity of the target ball after collision : A softball of mass 0.220 kg that is moving with a speed of6.0 m/s (in the positive direction)collides head-on and elastically with another ball initially atrest. Calculate the velocity of the target ball after the collision

The milky way is an example of which type of galaxy : How does the density wave model of spiral arms explain that they are brighter than the areas between the arms? The Milky Way is an example of which type of galaxy?

User Account

All Pages