Author Question: What are Type I supernovae used for? A) standard candles for determining distances to other ... (Read 31 times)

yoooooman · **on:** Jul 27, 2018

What are Type I supernovae used for?

A) standard candles for determining distances to other galaxies
B) age-dating the massive stars in clusters where they blow up
C) explaining the pulsars in supernova remnants
D) calculating the density of the interstellar medium from their remnants
E) determining the half-lives of the heavy elements they create

Question 2

The analysis of Martian meteorites found on the Earth show that they contain

A) only tantalizing hints of possible life.
B) fossilized remains of multi-cellular insects.
C) fossilized remains of small, mammal-like creatures.
D) bacteria with DNA very different from bacteria on Earth.
E) bacteria with DNA closely related to bacteria on Earth.