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What is a light-year?
A light-year is a measure of distance – not time (or anything to do with Disney’s Toy Story). It’s used to indicate the distance to stars and galaxies. It’s the distance light travels in one year in a vacuum, which is about: – 4.2465 light-years OR 5.88 trillion miles OR 9.46 trillion kilometres Light travels…
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How far is that star?
Basically, far! The Sun is the closest (and brightest) star. It is about: – 93 million miles – 150 million kilometres The next closest star (Proxima Centauri) is invisible to the unaided human eye and you need to be in the Southern Hemisphere to see it with a telescope (it’s too dim to see with…
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Death rates from disasters have fallen over the last century.
Good news. Recent data indicates that natural disasters are NOT going to kill us all. The global death rate from all natural disasters (drought, floods, storms, earthquakes, wildfires, extreme temperatures, etc.) has fallen by more than 90% over the last century. The total number of deaths has fallen substantially, despite there being four times as…
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“Be less curious about people and more curious about ideas.”
– Maria Salomea Skłodowska Curie (Marie Curie) (7 November 1867 – 4 July 1934) She was a was a Polish and naturalised-French physicist and chemist. The first woman to win a Nobel Prize. The first person to win a Nobel Prize twice. The only person to win a Nobel Prize in two different scientific fields.…
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You Can Still Read NASA’s Deleted “First Woman” Graphic Novels
With thanks to Keith Cowing of NASAWatch.com Credit: https://nasawatch.com/education/you-can-still-read-nasas-deleted-first-woman-graphic-novels/ ____________________________________________________________________ The following is mainly taken from NASAWatch.com‘s page about this story. In 2021 NASA issued the first of two interactive comic books/graphic novels (“First Woman: Dream to Reality”) depicting young women dreaming of – and then training for – a future that would comprise the…
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One Penny for Space
Will you sign the petition? I have. Credit: https://pennyforspace.vercel.app/ ____________________________________________________________________ One Penny for Space is a petition to ask the UK government to increase spending on space to 1%. Click on the badge below to learn more about the petition by Peter Hague of Plutocracy. ____________________________________________________________________ PS: I love coffee. BuyMeACoffee, leave a message with a…
Stargazing Guy 