6.2. Stars and the Universe
A subsection of Physics, 5054, through 6. Space physics
Listing 10 of 23 questions
Astronomical distances are measured in light-years. State what is meant by ‘a light-year’. The Sun is one star in the Milky Way galaxy. State the approximate diameter of the Milky Way galaxy. diameter of Milky Way = light-years There are several stages in the life cycle of a star. Complete to show the stages that a massive star goes through after it has used up most of the hydrogen at the centre of the star. Use words from the following list: nebula neutron star protostar red giant supernova white dwarf massive star (much larger than our Sun) red supergiant and black hole or State the stage in the life cycle of a star where heavy elements are formed. Question 10 continues over the page. Current scientific understanding is that the universe began 14 billion years ago in an event known as the Big Bang. Explain one observation that supports the Big Bang Theory. observation explanation
5054_s23_qp_22
THEORY
2023
Paper 2, Variant 2
View
Questions Discovered
23