The ________ Space Telescope still gives us the highest resolution optical images.
A) Chandra B) Kepler C) Hubble D) Fermi E) Einstein
Question 2
If Vega is apparent magnitude zero, and Deneb first magnitude, then
A) Deneb must be a main sequence star, and Vega a giant.
B) Vega must be 2.5 hotter than Deneb.
C) Deneb is one magnitude brighter than Vega.
D) Vega is about 100 brighter than Deneb.
E) Vega is 2.5 brighter than Deneb.