The spherical distribution of the globular clusters in the Halo reminds us of the similar
distribution of cometary nuclei in the ________ cloud.
In general, as a telescope’s diameter increases, its angular resolution ________.
In 1998 came the discovery of ________, which seems to overwhelm even gravity and
all the dark matter in the final fate of the cosmos.
________ are great wrinkle marks on Mercury’s crust, due to its core contracting.
The ________ spacecraft, launched in 2009, has already found hundreds of exoplanet
candidates.
Intermediate between E7 and Sa galaxies, ________ have a disk but no gas or dust.
A loop or sheet of gas hanging above an active region of the Sun is a ________, often
striking along the limb during total eclipses.
How did Hubble use the cosmological redshift to determine distance?
While white dwarfs have a density a million times that of normal matter, neutron stars
are a ________ times denser than even white dwarfs.
Jupiter’s bright zones are cloud streams made of ________ ice crystals.
High mass stars are typically found on the ________ of the main sequence.
We find most stars still on the main sequence because this stage takes ________.
The strongest lines present in spectral class A stars are absorption lines of ________.
Jupiter is largest and brightest in our skies when seen at ________.
The satellite most critical to the study of the formation and structure of the universe is
________, which detected the ripples that led to galaxies.
Give the dimensions and shape of the Galactic disk.
Newton found that when light passed through a prism, it was dispersed into the
component colors. Which bent the least, and why?