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- https://phys.libretexts.org/Courses/Grossmont_College/ASTR_110%3A_Astronomy_(Fitzgerald)/03%3A_Radiation_and_Spectra/3.02%3A_The_Electromagnetic_SpectrumThe electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmos...The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmosphere and must be observed from space, whereas others—such as visible light, FM radio and TV—can penetrate to Earth’s surface. The emission of electromagnetic radiation is intimately connected to the temperature of the source.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Astronomy_2e_(OpenStax)/05%3A_Radiation_and_Spectra/5.03%3A_The_Electromagnetic_SpectrumThe electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmos...The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmosphere and must be observed from space, whereas others—such as visible light, FM radio and TV—can penetrate to Earth’s surface. The emission of electromagnetic radiation is intimately connected to the temperature of the source.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Introduction_to_Astronomy_(Lumen)/05%3A_Telescope_and_Observing/5.07%3A_Space-Based_TelescopesThis page discusses the Hubble Space Telescope's capabilities for clear space observations and mentions the upcoming launch of the Webb Space Telescope by NASA in 2018. It also highlights the role of ...This page discusses the Hubble Space Telescope's capabilities for clear space observations and mentions the upcoming launch of the Webb Space Telescope by NASA in 2018. It also highlights the role of various planetary probes, orbiters, and rovers in studying celestial bodies, along with the focusing of some telescopes on specific wavelengths like Infrared, Ultraviolet, Gamma, and Cosmic rays.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Introduction_to_Astronomy_(Lumen)/15%3A_Cosmology/15.10%3A_What_is_Next_for_the_Big_Bang_TheoryThis page discusses the ongoing data collection from the Hubble Space Telescope until it stops functioning, while highlighting improvements in Earth-based telescope technology. It mentions the importa...This page discusses the ongoing data collection from the Hubble Space Telescope until it stops functioning, while highlighting improvements in Earth-based telescope technology. It mentions the importance of other satellites, particularly the James Webb Space Telescope, set to launch in 2018, which will focus on capturing data across different wavelengths like infrared and gamma-ray.
- https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/01%3A_Preliminary_Concepts/1.04%3A_Electromagnetic_SpectrumElectromagnetic fields exist at frequencies from 0 Hz to at least 1020 Hz – that’s at least 20 orders of magnitude! This section describes some of the characteristics of the electromagnetic spe...Electromagnetic fields exist at frequencies from 0 Hz to at least 1020 Hz – that’s at least 20 orders of magnitude! This section describes some of the characteristics of the electromagnetic spectrum, including some of the conventional names given to electromagnetic waves over certain ranges of frequency.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/Introduction_to_Astronomy_(2025)/01%3A_An_Introduction_to_Astronomy/1.05%3A_Radiation_and_Spectra/1.5.03%3A_The_Electromagnetic_SpectrumThe electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmos...The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmosphere and must be observed from space, whereas others—such as visible light, FM radio and TV—can penetrate to Earth’s surface. The emission of electromagnetic radiation is intimately connected to the temperature of the source.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Introduction_to_Astronomy_(Lumen)/10%3A_The_Sun/10.08%3A_Studying_the_SunThis page emphasizes the safe observation of the sun's features, particularly during solar eclipses, and the necessity of using proper filters to protect eyesight. It mentions historical contributions...This page emphasizes the safe observation of the sun's features, particularly during solar eclipses, and the necessity of using proper filters to protect eyesight. It mentions historical contributions, such as Frauenhofer's discovery of absorption lines in the sun's spectrum, and describes various observation methods for studying solar phenomena like flares and prominences.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Astronomy_1e_(OpenStax)/05%3A_Radiation_and_Spectra/5.02%3A_The_Electromagnetic_SpectrumThe electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmos...The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmosphere and must be observed from space, whereas others—such as visible light, FM radio and TV—can penetrate to Earth’s surface. The emission of electromagnetic radiation is intimately connected to the temperature of the source.
