https://padlet.com/eabradbury01/8w0vpcq2kldj Evan Bradbury en-us 2018-08-22 14:48:04 UTC 2018-11-16 15:47:19 UTC hello@padlet.com eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/274593388 the range of wavelengths or frequencies over which electromagnetic radiation extends]]> 2018-08-22 14:57:28 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/274593388 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304854464 Spectrum Electromagnetic . The Entire Range Of Electromagnetic Radiation, Which Includes, In Order Of Increasing Frequency And Decreasing Wavelength, Radio Waves, Microwaves, Infrared Radiation, Visible Light, Ultraviolet Radiation, X - Rays, And Gamma Rays.]]> 2018-11-15 15:37:38 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304854464 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304857036 Astronomers Use Telescopes To See Objects At Wavelengths All Across The Electromagnetic Spectrum . Some Very Hot Stars Emit Light Primarily At Ultraviolet Wavelengths. ... Some Very Cool Stars Shine Mostly In The Infrared Light Wavelengths. Radio Waves Come From The Faintest, Most Distant Objects .]]> 2018-11-15 15:41:09 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304857036 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304859596 This Allows Astronomers To Study Objects That Emergency To Radiation , Otherwise Invisible To Us. Is A Visible Light Narrow Range Of Wavelengths Of The Electromagnetic Spectrum ... Astronomers. Use Telescopes With Detection Devices That Are Sensitive To Wavelengths Other Than Visible Light.]]> 2018-11-15 15:45:00 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304859596 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304862011 By Using Large Infrared Telescopes, Astronomers Have Been Able To Peer Through The Dust Lanes Of The Milky Way Into The Core Of Our Galaxy . The Majority Of Stars Emit Most Of Their Electromagnetic Energy As Visible Light, The Tiny Portion Of The Spectrum To Which Our eyes are sensitive.]]> 2018-11-15 15:48:28 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304862011 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304863559 Covering the UHF to gamma ray part of the electromagnetic spectrum, small enough and sensitive enough to send to space as part of orbiting telescopes]]> 2018-11-15 15:50:45 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304863559 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304865493 L                     
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]]> 2018-11-15 15:53:46 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304865493 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304865943 The Sun Is A As A G2V Type Star , A Yellow Dwarf And A Main Sequence Star . Stars Are Classified By Their Spectra (The Elements That They Absorb) And Their Temperature. There Are Seven Main Types Of Stars . In Order Of Decreasing Temperature, O, B, A, F, G, K, and M.]]> 2018-11-15 15:54:24 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304865943 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304867913 Radiation from the Sun. [/ Caption] Radiation from the Sun , which is more popularly known as sunlight , is a mixture of electromagnetic waves ranging from infrared (IR) to ultraviolet rays (UV).]]> 2018-11-15 15:57:15 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/304867913 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305296735 When Electromagnetic Radiation From The Sun Strikes The Earth'S Atmosphere, Some Of It Is Absorbed While The Rest Proceed To The Earth'S Surface. ... The Presence Of Greenhouse Gases Make The Atmosphere Absorb More Heat, Reducing The Fraction Of Outbound EM Waves That Pass Through]]> 2018-11-16 15:28:13 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305296735 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305298236 our skin]]> 2018-11-16 15:30:41 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305298236 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305301629 Our Sun Is A Bright, Hot Ball Of Hydrogen And Helium At The Center Of Our Solar System. It Is 864,000 Miles (1,392,000 Km) In Diameter, Which Makes It 109 Times Wider Than Earth.]]> 2018-11-16 15:37:16 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305301629 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305303215 This is interpreted as a Doppler shift that is proportional to the velocity of recession and thus to distance.]]> 2018-11-16 15:40:05 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305303215 eabradbury01 https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305306225 the displacement of the spectrum to shorter wavelengths in the light coming from distant celestial objects moving toward the observer.]]> 2018-11-16 15:45:28 UTC https://padlet.com/eabradbury01/8w0vpcq2kldj/wish/305306225