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Type I supernovae can be used to determine distances to galaxies much better than type IIsupernovae.
United States
A country in North America, consisting of 50 states and a federal district, known for its economic and military power.
Entrepreneur Angels
Wealthy individuals who provide capital for startups, usually in exchange for ownership equity or convertible debt.
Active Involvement
Participation that is fully engaged and contributory towards a project or activity.
Companies
Organizations engaged in commercial, industrial, or professional activities, structured as entities to conduct business.
Q2: Einstein's _ is a candidate for the
Q8: Distant galaxies tend to be much bluer
Q17: Evolution of a star off the main
Q20: The luminous matter in the universe accounts
Q26: X-ray bursters are similar to novae, except
Q27: In the habitable zone, surface water must
Q45: Galaxies in all directions are observed to
Q51: To what three types of modern survivors
Q70: Which statement about the Local Group is
Q88: How does the death of one very