Recent high resolution radio observations show that quasars can be classified as
a. exploding supernova stars.
b. exploding planets.
c. normal galaxies like our Milky Way Galaxy.
d. a kind of active galaxy similar to Seyfert and radio galaxies.
d
You might also like to view...
For microbes to survive the journey in a meteorite from another solar system body to the Earth they would have to survive the
A) impact that blasted the rock off of the surface of its home world B) high energy particles and radiation in space C) entry through our atmosphere D) all of these
Force is a vector quantity
Indicate whether the statement is true or false
What is the net power radiated by a little animal with a surface area of 0.075 m2 if his emissivity is 0.75, his skin temperature is 315 K, and he is in a room with a temperature of 290 K? (? = 5.67 × 10-8 W/m2 ? K4 )
A) 8.8 W B) 6.0 W C) 8.0 W D) 15 W E) 18 W
Earth's rotation axis ____________________ slowly so that in a few thousand years Polaris will no longer be the North Star
Fill in the blank(s) with correct word