![Warm and cool Earth](/sites/default/files/styles/resource_card_image_360x300_/public/2020-10/warm_cool_earth.png?itok=qRcdXWiM)
Weather: Temperature
Backgrounders
Temperature affects the way we live, the clothes we wear and activities we do. But how does temperature vary across the globe?
![Timothy Burkhart](/sites/default/files/styles/resource_card_image_360x300_/public/2020-11/Timothy_Burkhart.jpg?itok=_rID7Ano)
Query a Career Profile
Lessons
Students will explore career profiles and relate them to what they are learning in science class.
![Cross-section of the Earth showing layers.](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/earth-core-structure-with-geological-layers.jpg?itok=_R5VEnY-)
Why does the Earth have Layers?
STEM Explained
An in-depth look at how the Earth got its layers.
![The Jodrell Bank Lovell Telescope located in Cheshire, England](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/Jodrell_Bank_Lovell_Telescope.jpg?itok=TFL_abQu)
Telescopes and Astronomy
Backgrounders
Visible light is only part of what astronomers study. They use different types of telescopes to study the entire electromagnetic spectrum.
![Jamie Sevigny au travail](/sites/default/files/styles/career_image/public/2020-02/Jamie%20Sevigny.jpg?itok=kg6JcDjB)
Jamie Sevigny
Career Profiles
Management Engineer
![Hubble Space Telescope as seen during a servicing mission in 2009](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/hubble_space_telescope.jpg?itok=eNoDBFx5)
Airborne & Space Telescopes
Backgrounders
Learn about telescopes that do their work high in Earth’s atmosphere and in space.
![Boy looking through telescope at night](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/telescope-boy-night.jpg?itok=13zWe-Od)
Optical Telescopes
Backgrounders
Learn about the history of telescopes and the function of refracting and reflecting optical telescopes.
![Radio Telescope array at night](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/radio-telescope-at-night.jpg?itok=Xj9MDhpb)
Radio Astronomy
Backgrounders
Learn about radio astronomy, a type of astronomy that studies objects in space using radio waves and radio telescopes.
![Close-up of the Arecibo Observatory radio telescope](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/close-up_arecibo-observatory.jpg?itok=CTR21nm6)
SETI - The Search for extraterrestrial Intelligence
Backgrounders
Some astronomers are not looking for stars, planets or galaxies. They are searching for intelligent life in the universe beyond our planet.
![Thomas Graham](/sites/default/files/styles/career_image/public/2020-01/Tom%20Graham%20at%20haughton%20crater.png?itok=yMLRqy4E)
Thomas Graham
Career Profiles
Research Scientist, Space Farming
![Photo de Mike Dixon](/sites/default/files/styles/career_image/public/2020-01/mike%20dixon.jpg?itok=srNXyg1T)
Mike Dixon
Career Profiles
Professor and Director of CESRF
![Carl Dixon](/sites/default/files/styles/career_image/public/2020-02/Carl%20Dixon.jpg?itok=asZH3RFI)
Carl Dixon
Career Profiles
Naval Communicator
![Keven Bruce | Tactical Weather Specialist](/sites/default/files/styles/career_image/public/2019-09/Kevin%20Bruce.jpg?itok=-QI0mlRn)
Keven Bruce
Career Profiles
Tactical Weather Specialist
![Alexis Dorais | Analyste en télédétection](/sites/default/files/styles/career_image/public/2019-09/Alexis%20Dorais.jpg?itok=tFxfkVG7)
Alexis Dorais
Career Profiles
Remote Sensing Analyst
![Scott Kelly et Terry Virts inspectent le système d’élimination du dioxyde de carbone de la SSI (Photo via Wikimedia Commons)](/sites/default/files/styles/resource_card_image_360x300_/public/2019-08/6572.jpg?itok=uSk7J690)
Carbon Dioxide on Earth and on the ISS
Backgrounders
Carbon dioxide is an important part of the air on Earth and in space. What is carbon dioxide? How is it measured? How can it affect us mentally and physically?