In the context of life in the universe, which of the following discoveries of astronomy suggests that extraterrestrial life may be constructed in a similar fashion to life on Earth?
A) the universe is very large
B) the universe is very old
C) the laws of physics are the same everywhere
D) the chemical elements that make up life on Earth are common
D
You might also like to view...
If a 20 W laser beam, which has an initial diameter of 2.0 mm, spreads out to a diameter of 2.0 m after traveling 10,000 m, what is the initial Erms of the beam?
a. 
b. 
c. 
d. 
e. 
A common fuel impurity in fossil fuels is ______________
Fill in the blank(s) with correct word
How do we learn about the conditions at the center of our own galaxy, the Milky Way?
A) The gas and dust in the Milky Way prevent any type of direct observation of the galactic center, but theoretical models allow us to predict what is happening there. B) We must look at the centers of other (external) galaxies and assume that they are similar to the Milky Way. C) While we cannot see the galactic center with visible or ultraviolet light, radio and X-rays from the center can be detected and used to determine the conditions there. D) High-resolution photographs obtained by the Hubble Space Telescope have revealed the galactic center using visible light.
If the outside air pressure decreases, the reading on a tire gauge connected to a tire __________
Fill in the blank(s) with correct word