Helen Klus

Helen Klus

UK / I am interested in the meaning of life, the universe, and everything and run science website TheStarGarden.co.uk.
Helen Klus
More ideas from Helen
The TRAPPIST-1 system. Image credit: NASA/JPL-Caltech/Public domain.

The TRAPPIST-1 system. Image credit: NASA/JPL-Caltech/Public domain.

Artist’s impression of TRAPPIST-1 f. Image credit: NASA/JPL-Caltech/Public domain.

Artist’s impression of TRAPPIST-1 f. Image credit: NASA/JPL-Caltech/Public domain.

Image credit: Helen Klus/CC-NC-SA.

Image credit: Helen Klus/CC-NC-SA.

A planet and a star orbiting a common centre of mass from the side, where the velocity is the radial velocity. Image credit: Reyk/Public domain.

A planet and a star orbiting a common centre of mass from the side, where the velocity is the radial velocity. Image credit: Reyk/Public domain.

A planet and a star orbiting a common centre of mass from the top, where there is no radial velocity. Image credit: Zhatt/Public domain.

A planet and a star orbiting a common centre of mass from the top, where there is no radial velocity. Image credit: Zhatt/Public domain.

A plot of the spectrum above where the dark lines can be seen in dips in intensity. Image credit: Remember the dot/Eric Bajart/CC-SA.

A plot of the spectrum above where the dark lines can be seen in dips in intensity. Image credit: Remember the dot/Eric Bajart/CC-SA.

The spectrum of the Sun showing missing wavelengths (K and H = Calcium, D = Sodium, E = Iron, C and F =Hydrogen, and A and B = Molecular Oxygen). The wavelengths are missing because sunlight passes through clouds made of elements and molecules, which absorb specific energies of light. Image credit: MaureenV/Phrood/Saperaud/Cepheiden/Public domain.

The spectrum of the Sun showing missing wavelengths (K and H = Calcium, D = Sodium, E = Iron, C and F =Hydrogen, and A and B = Molecular Oxygen). The wavelengths are missing because sunlight passes through clouds made of elements and molecules, which absorb specific energies of light. Image credit: MaureenV/Phrood/Saperaud/Cepheiden/Public domain.

Spectra of the Sun. Image credit: N.A.Sharp, NOAO/NSO/Kitt Peak FTS/AURA/NSF/Public domain.

Spectra of the Sun. Image credit: N.A.Sharp, NOAO/NSO/Kitt Peak FTS/AURA/NSF/Public domain.