Space
A constellation that is part of Ursa Major.
What is the Big Dipper
1+1
What is 2
The fingerings for low C (there are 5 valves for combinations: Open [no valve] First Valve, Second, Third and Thumb Trigger or T valve)
What is Open
A nearby galaxy.
What is Andromeda
The name of the formula (-b +- root 1[b^2 - 4ac])/(2a)
The Quadratic Formula
The fingerings for High C
What is Trigger
The constellation constantly associated with people born within February 17th and March 20th.
What is Pisces
The name of a2+b2=c2
What is the Pythagorean Theorem
The fingerings for Ab
What is T23
A star that is only seen during the daytime on Earth.
What is the Sun
211
What is 2048
The clef French Horns mainly hit.
Bass and Treble clef
The name and temperature of the nuclear explosion of a White Dwarf star.
What is a Supernova, 1 billion ° C
What is "Everything divisible by 6 is by 3."
What is a conjecture.
The tuning French Horn is in.
F or Bb