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Andrew Fraknoi – Astronomy Lectures – Astronomy Education Resources

Andrew Fraknoi –...
Good Meteor Shower Coming August 11-12 The Perseid Meteor Shower is one of the best of the year for the untrained observer The post Good...
6 months ago
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6 months ago
The Perseid Meteor Shower is one of the best of the year for the untrained observer The post Good Meteor Shower Coming August 11-12 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
A Comet Visible in Our Evening Sky A newly discovered comet is now faintly visible in our skies soon after sunset, if you have clear...
4 months ago
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4 months ago
A newly discovered comet is now faintly visible in our skies soon after sunset, if you have clear skies and a view low toward the west-southwest horizon. See our diagram from Sky & Telescope magazine, in which the yellow numbers show you the comet’s location in the evening sky...
Andrew Fraknoi –...
Drone Madness: Here is the Antidote For those of us who, through the years, have been through wave after wave of uncritical and...
2 months ago
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2 months ago
For those of us who, through the years, have been through wave after wave of uncritical and sensational UFO stories in the media, the current obsession with (and jumping to unwarranted conclusions about) mysterious drones seems all too familiar.  As before, untrained observers,...
Andrew Fraknoi –...
Dec. 21 is Winter Solstice — Why We Have Seasons on Earth Saturday, Dec. 21 will be the winter solstice – the shortest day and longest night of the year, with...
2 months ago
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2 months ago
Saturday, Dec. 21 will be the winter solstice – the shortest day and longest night of the year, with which we mark the beginning of the winter season in the Earth’s northern hemisphere.  It’s interesting to note that the planets Venus and Jupiter do not have seasons like the...
Andrew Fraknoi –...
Coming Up: Einstein without Tears; Religion and Extraterrestrial Life Two upcoming events that may be of interest to you (please pass on to others who may like them): The...
4 months ago
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4 months ago
Two upcoming events that may be of interest to you (please pass on to others who may like them): The Osher Lifelong Learning Institute at San Francisco State Presents: A non-technical, 6-week class with Professor Andrew Fraknoi Einstein without Tears Tuesdays from 12:30 to 2:30...
Andrew Fraknoi –...
Caves on Mars Recently, in social media posts, Dr. Pascal Lee of the SETI Institute discussed the intriguing caves...
2 months ago
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2 months ago
Recently, in social media posts, Dr. Pascal Lee of the SETI Institute discussed the intriguing caves on the side of the giant martian volcano called Arsia Mons as interesting places for future exploration and even human residences. As it happens, my very first published...
Andrew Fraknoi –...
Celebrating the Centennial of Galaxies January 1 2025 On January 1, 1925, at a meeting of the American Astronomical Society in Washington, DC, astronomer...
a month ago
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a month ago
On January 1, 1925, at a meeting of the American Astronomical Society in Washington, DC, astronomer Henry N. Russell read a paper contributed by a young astronomer named Edwin Hubble (who was too junior to earn a trip across the country from the California observatory where he...
Andrew Fraknoi –...
Black Hole Has Daily Meals Worthy of Thanksgiving You think you ate too much?  No matter how stuffed you were after Thanksgiving (or another...
2 months ago
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2 months ago
You think you ate too much?  No matter how stuffed you were after Thanksgiving (or another celebratory meal), it’s nothing compared to Quasar J0529-4351, which astronomers observed earlier this year to be consuming the mass of our entire Sun EACH and every day!  They called it...
Andrew Fraknoi –...
My Free Introductory Astronomy Textbook Hits a Milestone This time I am posting something a bit personal. I am the lead author of a free book that is part of...
9 months ago
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9 months ago
This time I am posting something a bit personal. I am the lead author of a free book that is part of a nonprofit experiment to help students with the costs of college. Here is the news from our publisher: OpenStax, the open textbook publisher based at Rice University, is pleased...
Andrew Fraknoi –...
Injecting Caution Into Media Reports of Northern Lights as far South as California Friday, May 10, there was a lot of discussion on the news, on social media, and on different web...
9 months ago
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9 months ago
Friday, May 10, there was a lot of discussion on the news, on social media, and on different web sites about storms on the Sun that are unleashing great outbursts of radiation and particles, some of them toward Earth. The fact that we are seeing such “space weather” now certainly...
Andrew Fraknoi –...
An Eclipse of the Sun Coming to N. America April 8th A rare eclipse of the Sun will be visible all over North America on April 8th. The post An Eclipse...
11 months ago
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11 months ago
A rare eclipse of the Sun will be visible all over North America on April 8th. The post An Eclipse of the Sun Coming to N. America April 8th appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
Enjoy the Coming Leap Day: Some Thoughts about the Calendar This year February will have an extra day -- we discuss why? The post Enjoy the Coming Leap Day: ...
a year ago
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a year ago
This year February will have an extra day -- we discuss why? The post Enjoy the Coming Leap Day: Some Thoughts about the Calendar appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
Euclid Space Telescope Delivers Great Images The first images are coming in from the new Euclid Space Telescope and they are spectacular. The...
a year ago
14
a year ago
The first images are coming in from the new Euclid Space Telescope and they are spectacular. The post Euclid Space Telescope Delivers Great Images appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
Eclipse of the Sun Coming in One Week Saturday Oct. 14 North America will be treated to an eclipse of the Sun. The post Eclipse of the Sun...
a year ago
14
a year ago
Saturday Oct. 14 North America will be treated to an eclipse of the Sun. The post Eclipse of the Sun Coming in One Week appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
Perseid Meteor Shower Aug 12-13, 2023 We make suggestions for how best to see the 2023 Perseid meteor shower. The post Perseid Meteor...
a year ago
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a year ago
We make suggestions for how best to see the 2023 Perseid meteor shower. The post Perseid Meteor Shower Aug 12-13, 2023 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
Two Eclipses of the Sun Coming to North America 2023-24 Two eclipses of the Sun will be visible in North America during the 2023-24 school year. The post...
a year ago
12
a year ago
Two eclipses of the Sun will be visible in North America during the 2023-24 school year. The post Two Eclipses of the Sun Coming to North America 2023-24 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
Good Meteor Shower This Week Wednesday evening and Thursday morning (Dec. 13-14) is the peak time for one of the best meteor...
a year ago
9
a year ago
Wednesday evening and Thursday morning (Dec. 13-14) is the peak time for one of the best meteor showers of the year – the Geminids.  The post Good Meteor Shower This Week appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
Total Eclipse of the Moon Coming Mar. 13-14 There will be a total eclipse of the Moon visible in the Americas the night of March 13-14 The post...
a week ago
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a week ago
There will be a total eclipse of the Moon visible in the Americas the night of March 13-14 The post Total Eclipse of the Moon Coming Mar. 13-14 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Andrew Fraknoi –...
A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope) Explains a new movie of distant galaxies and remote time from the Webb Telescope. The post A Movie...
a year ago
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a year ago
Explains a new movie of distant galaxies and remote time from the Webb Telescope. The post A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope) appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.