Category Astronomy/Space

DFMS mass spectra in the m/z ranges of 36 and 38. The spectra demonstrate the clear identification of the two isotopes 36Ar and 38Ar and of the interfering molecules. The exact m/z locations are given in the text. The spacecraft background spectra were obtained before the cometary signal became apparent (2 August 2014, heliocentric distance of 3.6 AU, almost 800 km from the nucleus).

This Sept. 13, 2015 image provided by NASA shows the moon, left, and the Earth, top, transiting the sun together, seen from the Solar Dynamics Observatory. The edge of Earth appears fuzzy because the atmosphere blocks different amounts of light at different altitudes. This image was taken in extreme ultraviolet wavelengths, invisible to human eyes, but here colorized in gold. A total lunar eclipse will share the stage with a so-called supermoon Sunday evening, Sept. 27, 2015 as seen from the United States. That combination hasn’t been seen since 1982 and won’t happen again until 2033. (NASA/SDO via AP) 

In this extended color image of Pluto taken by NASA’s New Horizons spacecraft, rounded and bizarrely textured mountains, informally named the Tartarus Dorsa, rise up along Pluto’s day-night terminator and show intricate but puzzling patterns of blue-gray ridges and reddish material in between. This view, roughly 330 miles (530 kilometers) across, combines blue, red and infrared images taken by the Ralph/Multispectral Visual Imaging Camera (MVIC) on July 14, 2015, and resolves details and colors on scales as small as 0.8 miles (1.3 kilometers). Credits: NASA/JHUAPL/SWRI

Veil Nebula, NGC 6960, Cygnus Loop. Credit: Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)