High Resolution Image Of The Sun From NASA's Solar Dynamics Observatory's Year 6 Of Activity Composite

Once upon a time, Mars had lakes, or at least wetter conditions than it does today. The latest from NASA’s Curiosity Mars rover shows slabs of rock cross-hatched with shallow ridges that likely originated as cracks in drying mud, evidence of an ancient era when these sediments were deposited were.

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Hubble’s first picture of the entire Bubble Nebula (NGC 7635) found in the Cassiopeia constellation.

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Sharpless 129 is an H-alpha emission nebula commonly called the Flying Bat Nebula located in Cepheus very close to the famous IC 1396 (the nebula that contains the Elephant's Trunk). The large blue/green nebula inside it, which is over a degree long, is formally known as Ou4 but is colloquially called the Squid (or Giant Squid) Nebula.

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Beautiful night-time shot of a landscape rock formation with the Milky Way covering the sky.

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UV Spectrograph of Mars!

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The full moon appeared 30% brighter and 14% bigger than average earlier this week.

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The Cartwheel Galaxy is a lenticular galaxy and ring galaxy about 500 million light-years away in the constellation Sculptor. It is an estimated 150,000 light-years diameter, and a mass of about 2.9–4.8 × 10⁹ solar masses; it rotates at 217 km/s.

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The distinctively fluted surface and elongated hills in this image in Medusae Fossae on Mars are caused by wind erosion of a soft fine-grained rock. Called yardangs, these features are aligned with the prevailing wind direction. This wind direction would have dominated for a very long time to carve these large-scale features into the exposed rock we see today. The image was acquired at 15:25 local Mars time on June 28, 2016, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.

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Here is a picture of the sun without any glare.

Still a very powerful star!

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