Tropical Storm Harvey seen by NOAA’s GOES East satellite

NOAA’s GOES-East satellite provided a visible-light image of Tropical Storm Harvey on Wednesday, August 30, 2017 at 7:30 a.m. EDT (1230 UTC), hours after it made landfall at 4 a.m. CDT just west of Cameron, Louisiana. At the time of the image, the bulk of showers and thunderstorms around...

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Star Cluster NGC 3766

This spectacular group of young stars is the open star cluster NGC 3766 in the constellation of Centaurus (The Centaur). Very careful observations of these stars by a group from the Geneva Observatory using the Swiss 1.2-metre Leonhard Euler Telescope at ESO’s La Silla Observatory in Chile have shown...

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Galaxy Group NGC 5813

Chandra data show the supermassive black hole at the center of NGC 5813 has erupted multiple times over 50 million years.NGC 5813 is a group of galaxies that is immersed in an enormous reservoir of hot gas.Cavities, or bubbles, in the hot gas that Chandra detects gives information about...

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Super Typhoon Noru seen from the International Space Station

ISS, Orbit of the EarthAugust 1, 2017Image Credit: NASA...

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The Trapezium Star Cluster

This image shows a colour composite of near-infrared images of the central regions of the Orion Nebula, obtained on March 14, 2000, with the SOFI instrument at the ESO 3.5-m New Technology Telescope (NTT) at La Silla. Three exposures were made through J- (wavelength 1.25 µm here colour-coded as...

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Hickson Compact Galaxy Group 59

That galaxies come in very different shapes and sizes is dramatically demonstrated by this striking Hubble image of the Hickson Compact Group 59. Named by astronomer Paul Hickson in 1982, this is the 59th such collection of galaxies in his catalogue of unusually close groups. What makes this image...

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Tropical Storm Harvey seen from the International Space Station

Astronaut Randy Bresnik took this photo of Tropical Storm Harvey from the International Space Station on August 28 at 1:27 p.m. CDT.Image Credit: NASA...

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Planetary System Gliese 581

After more than four years of observations using the most successful low-mass exoplanet hunter in the world, the HARPS spectrograph attached to the 3.6-metre ESO telescope at La Silla, Chile, astronomers have discovered in this system the lightest exoplanet found so far: Gliese 581e (foreground) is only about twice...

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Saturn's north pole

These turbulent clouds are on top of the world at Saturn. NASA's Cassini spacecraft captured this view of Saturn's north pole on April 26, 2017 - the day it began its Grand Finale -- as it approached the planet for its first daring dive through the gap between the...

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