Physics whizz Wendy Sadler MBE demonstrates how one of her science heroes, 20th century astronomer Cecilia Payne-Gaposchkin, used spectroscopy to discover what elements stars are made from.

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Stars - Digital Scavenger Hunt Activity is an activity by Guinea Pig to use as part of their lessons, to enhance your English at your school

Stars - Digital Scavenger Hunt Activity

has seen a falling star, also known as a shooting star. I confess, I sincerely believed such was the case that these were, in fact, stars - much like I believed in Santa Claus. But then I heard the shocking truth: these are not, in fact, stars. When peering into the sparkling emptiness of the night sky,I watched as another meteoric body, for the umpteen-billionth time, tried to ram through the earth's atmosphere. This happens constantly, day in and day out. Millions of cosmic bodies hurl themselves
towards the surface of our planet every day.

#eldddir #eldddir_space

The Strangest Star In The Universe

Jenny brightens up the office with a new song about the H-R Diagram, the most useful tool in all of astronomy!

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The H-R Diagram Song

So, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story. In this episode of Crash Course Kids, Sabrina chats about how stars glow and how astronomers judge their brightness. Also, she talks about a really, really, really big star. 

This first series is based on 5th-grade science. We're super excited and hope you enjoy Crash Course Kids!

///Standards Used in This Video///
5-ESS1-1. Support an argument that differences in the apparent brightness of the sun compared to other stars is due to their relative distances from Earth. [Assessment Boundary: Assessment is limited to relative distances, not sizes, of stars. Assessment does not include other factors that affect apparent brightness (such as stellar masses, age, stage).]

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Credits...
Producer & Editor: Nicholas Jenkins
Cinematographer & Director: Michael Aranda
Host: Sabrina Cruz
Script Supervisor: Mickie Halpern
Writer: Kay Boatner

Executive Producers: John & Hank Green
Consultant: Shelby Alinsky
Script Editor: Blake de Pastino

Thought Cafe Team:
Stephanie Bailis
Cody Brown
Suzanna Brusikiewicz
Jonathan Corbiere
Nick Counter
Kelsey Heinrichs
Jack Kenedy
Corey MacDonald
Tyler Sammy
Nikkie Stinchcombe 
James Tuer
Adam Winnik

Venus Image Credit: Brocken Inaglory https://en.wikipedia.org/wiki/Venus#/media/File:Venus-pacific-levelled.jpg

Glow On: Crash Course Kids #20.2

Neutron Stars are some of the strangest things in the Universe. Not quite massive enough to become black holes they 
are basically atoms as big as mountains with properties so extreme it's mind-blowing. And if you get too close to a neutron star you are in big trouble…


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Atoms As Big As Mountains – Neutron Stars Explained

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Atoms As Big As Mountains — Neutron Stars Explained

How do we know what the air is like on planets we haven't visited? This video explains how to see air from 150 light years away.

Thanks to NASA’s James Webb Space Telescope project at the Space Telescope Science Institute for supporting this video.

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If you want to learn more about how we detect transiting exoplanet atmospheres via emission or absorption spectroscopy, here's Sara Seagers website:

http://seagerexoplanets.mit.edu/research.htm

We know the atmospheric composition of Jupiter, Europa, etc, but how do we know the atmospheres of places we can't go?

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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Created by Henry Reich

How Do We Know What Air is Like on Other Planets?

Stars - Classification and Spectroscopy - Student Presentation 

Stars - Classification and Spectroscopy - Teaching Presentation 

Stars - Classification and Spectroscopy - Student Lesson Outline 

Stars - Classification and Spectroscopy is a lesson by Teach Science with Fergy, containing engaging videos, presentations and activities to help develop students' science knowledge.

Spectroscopy: what are stars made of? | FameLab

Science Resource Description