04 May 2020
Exoplanets with hydrogen-rich atmospheres could harbour life
...boon for the study of exoplanetary atmospheres, as it operates at infrared (IR) wavelengths; the region of the electromagnetic spectrum that astronomers use to identify molecules, especially planetary atmospheric ones such as methane, carbon monoxide...
15 June 2020
Green dayglow detected at Mars for the first time
...it emits light at wavelengthsaround 558 nanometers (nm), which corresponds to green light in the visible portion of the electromagnetic spectrum. Whilst it might appear everywhere in our atmosphere as green-light emission, so far, scientists have yet...
16 June 2021
Astronomers discover the largest rotating objects in the Universe
... they move into the red end of the electromagnetic spectrum - they become redshifted. Lightwaves from an approaching...to shorten slightly and so move to the blue end of the spectrum, or become blueshifted - a phenomena known as Doppler shifting. Edwin...
August 2016
High-resolution Earth observation data is changing the character of war
... the Operational Land Imager (OLI) on Landsat 8 which collects information in 11 narrow bands of wavelengths on the electromagnetic spectrum. False-colour imagery is used to provide additional scientific insights - the near infrared (band 5) in this...
August 2016
Commercial space development spurs trend for public-private collaboration
... us with higher resolutions, real-time tracking, full-motion video and images that span much of the electromagnetic spectrum. Planetary Resources is taking its space resource technologies and turning its space telescopes to look at Earth. We will...
February 2017
Protecting our space interests
... from 1957 to 2016. A third concern relates to the complex issue of managing the finite available electromagnetic spectrum and the orbital slots allocated to geostationary satellite operators. This increasingly challenging task is managed by the...
