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How is dust usually observed around young protostars in stages 4-6?
Why aren't there young stars in the halo?
Relate escape velocity to the event horizon.
The minimum period of light variations are used to find the ________ of the central
engine in galactic cores.
Our earliest atmosphere, formed by outgassing, was much poorer in ________ than
now.
Based on its orbit, give two reasons to revoke Pluto's planetary status.
The Pleiades (or Seven Sisters) an example of an ________.
All pulsars are neutron stars; why is the reverse not true?
The greenhouse effect always results in a ________ surface temperature.
What would be most likely to disrupt the normal evolution of a star? Give examples of
this.
Which moon of Saturn has the surface with the widest range of ages? Why?
The energy of the photon depends on its ________.
Compared to a G-type star, an F-type will have a ________ habitable zone.
Giant elliptical galaxies may be the result of ________ in the centers of rich clusters.
An FM station broadcasts at a frequency of 100 MHz. The wavelength of its carrier
wave is ________.
The spring tide can occur at either ________ or ________ phases of the Moon.
Explain why the image seen in astronomical telescopes is inverted.
