What is a light year quizlet?
Light Year. A unit that equals the distance light travels through space in one year; a way to measure extremely vast distances; it equals 9.46 trillion kilometers or 9.49 x 1012 km.
Would the anecdotal verbal account from this witness be valid scientific evidence of the event?
Would the anecdotal verbal account from this witness be valid scientific evidence of the event? No, because follow-up tests conducted by others cannot verify it. There are many perfectly valid subjects that cannot be studied using the scientific method.
When a star explodes in the Andromeda Galaxy How long until we see it here on earth?
If a star exploded in the Andromeda Galaxy, how long would it take that information to reach earth? There are 3.16 x 107 s/yr, so t = 2.3 x 106 yr or about two million years.
Which best describes a light-year?
A light-year is the distance a beam of light travels in a single Earth year, which equates to approximately 6 trillion miles (9.7 trillion kilometers).
Is a light-year?
Light-year is the distance light travels in one year. Light zips through interstellar space at 186,000 miles (300,000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year.
How reliable is anecdotal evidence?
Researchers may use anecdotal evidence for suggesting new hypotheses, but never as validating evidence. Anecdotal evidence is often unscientific or pseudoscientific because various forms of cognitive bias may affect the collection or presentation of evidence.
Is anecdotal evidence scientific?
Anecdotal & Expert Opinions Anecdotal evidence is a person’s own personal experience or view, not necessarily representative of typical experiences. An expert’s standalone opinion, or that given in a written news article, are both considered weak forms of evidence without scientific studies to back them up.
Which statement accurately describes a light-year quizlet?
Which statement accurately describes a light-year? It is the distance that light travels in a year.
How do you explain light-years?
For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). That is a 6 with 12 zeros behind it!
What is light-year answer?
How do you explain light years?
Which is an example of pseudoscience?
Astrology and phrenology are pseudoscientific because its main hypotheses were assumed to be correct from the beginning, despite the fact that they have never been supported by rigorous evidence.
Why is anecdotal evidence misleading?
Anecdotal evidence is often unscientific or pseudoscientific because various forms of cognitive bias may affect the collection or presentation of evidence. For instance, someone who claims to have had an encounter with a supernatural being or alien may present a very vivid story, but this is not falsifiable.
Why is anecdotal a fallacy?
A person falls prey to the anecdotal fallacy when they choose to believe the “evidence” of an anecdote or a few anecdotes over a larger pool of scientifically valid evidence. The anecdotal fallacy occurs because our brains are fundamentally lazy. Given a choice, the brain prefers to do less work rather than more.