If a supernova was first seen in the year of Christ's birth (the Star of Bethlehem?) and its distance from Earth was 3 kpc, approximately when did the supernova actually explode?
A) 10 B.C.
B) 3000 B.C.
C) 3 B.C.
D) 10,000 B.C.
Correct Answer:
Verified
Q200: Kepler's third law, the harmonic law, provides
Q201: An astronomer discovers an object at a
Q202: Suppose that, at the same time on
Q203: One au, or 1 astronomical unit, is
Q204: Suppose an astronomer were to observe two
Q206: An astronomical unit (au) is a unit
Q207: One light-year is the
A) distance that light
Q208: In 2014 A.D., an inhabitant of a
Q209: What is the distance between Earth and
Q210: Why do astronomers need special units, in
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents