Multiple Choice
The lifetime of a typical star (like our Sun) appears to be:
A) a few thousands of years.
B) a few millions of years.
C) a few billions of years.
D) essentially infinite because we know of no mechanism that can terminate the nuclear processes in a star's interior.
Correct Answer:
Verified
Correct Answer:
Verified
Q10: The distance from Earth to the star
Q11: What is the distance between Earth and
Q12: A circle of radius 10m has a
Q13: What is the approximate angular diameter of
Q14: In 2018, an inhabitant of a planet
Q16: The time taken for light to travel
Q17: The most important reason for exploring other
Q18: The star <span class="ql-formula" data-value="\gamma"><span
Q19: 10 × 10<sup>5</sup> =<br>A)1 billion<br>B)10 million<br>C)1 million<br>D)10,000
Q20: A globular cluster of stars is measured