Tag: Science
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“I believe in evidence.”
– Isaac Asimov, The Roving Mind (1997), (2 January 2 1920 – 6 April 1992) Scientist and science fiction author Asimov’s output of novels and books popularising and explaining science was prodigious. As a rationalist he often railed against superstitious and pseudoscientific beliefs that tried to pass themselves off as genuine science and had this…
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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…
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“Happy birthday, Mr Feynman.” (This is a year of Feynman – week 12a of 52)
– Richard P. Feynman (11 May 1918 – 15 Feb 1988) From the Manhattan Project to the Challenger investigation, the physicist and Nobel Laureate Richard Feynman loved to shoot down what he called “lousy ideas.” Today, the world is awash in lousy ideas — so maybe it’s time to get some more Feynman in our…
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The Eagle has landed. Apollo 11 Landing from PDI to Touchdown
Just seen this and wanted to share it. A blow-by-blow account that follows Eagle descent to the lunar surface. You know they make it … but its still edge of the seat stuff! The Eagle has landed! ___________________________________________________________________ PS: I love coffee. BuyMeACoffee, leave a message with a date and time and we can share it,…
Stargazing Guy 