Alexandra Cheroiu

Alexandra Cheroiu

Alexandra Cheroiu
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IC 342, the Hidden Galaxy, is positioned only 10 degrees above the plane of our Milky Way Galaxy, so its light is heavily obscured and reddened by dust. It is 7 million light-years away but is not part of our Local Group of galaxies. Credit: Bruce Waddington

IC the Hidden Galaxy, is positioned only 10 degrees above the plane of our Milky Way Galaxy, so its light is heavily obscured and reddened by dust. It is 7 million light-years away but is not part of our Local Group of galaxies: Bruce Waddington

In this image, an expanding shell of debris called SNR is left behind after a massive star exploded in the Large Magellanic Cloud, a satellite galaxy to the Milky Way. Multimillion degree gas is seen in X-rays - NASA/CXC/SAO

Rainbow Nacreous Clouds, Iceland

rainbow Nacreous Clouds - Iceland - Polar stratospheric clouds or PSCs, also known as nacreous clouds (from nacre, or mother of pearl, due to its iridescence), are clouds in the winter polar stratosphere at altitudes of meters.