Exoplanet WASP-12b

Astronomers have discovered that the well-studied exoplanet WASP-12b reflects almost no light, making it appear essentially pitch black. This discovery sheds new light on the atmospheric composition of the planet and also refutes previous hypotheses about WASP-12b’s atmosphere. The results are also in stark contrast to observations of another...

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Spiral Galaxy NGC 6384

The NASA/ESA Hubble Space Telescope has produced this finely detailed image of the beautiful spiral galaxy NGC 6384. This galaxy lies in the constellation of Ophiuchus (The Serpent Bearer), not far from the centre of the Milky Way on the sky. The positioning of NGC 6384 means that we...

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Star-Forming Region NGC 6729

This image from ESO’s Very Large Telescope gives a close-up view of the dramatic effects new-born stars have on the gas and dust from which they formed. Although the stars themselves are not visible, material they have ejected is colliding with the surrounding gas and dust clouds and creating...

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Alpha Centauri and Beta Centauri

At the centre of this image of the Centaurus constellation are Alpha Centauri and Beta Centauri, two triple star systems. The brightest stars of both systems orbit near to each other, making them appear as one star. Alpha Centauri is the nearest "star" to Earth except for the Sun....

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Exoplanet WASP-19b

Astronomers using ESO’s Very Large Telescope have detected titanium oxide in an exoplanet atmosphere for the first time. This discovery around the hot-Jupiter planet WASP-19b exploited the power of the FORS2 instrument. It provides unique information about the chemical composition and the temperature and pressure structure of the atmosphere...

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Jupiter seen by NASA's Juno spacecraft

This series of enhanced-color images shows Jupiter up close and personal, as NASA's Juno spacecraft performed its eighth flyby of the gas giant planet. The images were obtained by JunoCam.From left to right, the sequence of images taken on September 1, 2017 from 3:03 p.m. to 3:11 p.m. PDT...

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Earth and three hurricanes seen by Suomi NPP satellite

There was no shortage of storms brewing across the Atlantic basin in September 2017. On September 6, hurricanes Katia, Irma, and Jose lined up across the basin. The trio is visible in this image, captured that day by the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP...

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In search of exoplanets

The Search for habitable Planets EClipsing ULtra-cOOl Stars (SPECULOOS) telescope will search for terrestrial exoplanets around nearby ultracool stars and brown dwarfs when it has first light in December 2017. SPECULOOS joins a fleet of exoplanet-searching telescopes, including the two TRAnsiting Planets and PlanetesImals Small Telescopes(TRAPPIST)— one at ESO’s...

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X8.2 Solar Flare

The Sun emitted a significant solar flare, peaking at 12:06 p.m. EDT on September 10, 2017. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to...

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Smoke over the United States seen by Suomi NPP satellite

With dozens of wildfires burning across the western United States and Canada, many North Americans have had the acrid taste of smoke in their mouths during the past few weeks. On September 5, 2017, the National Interagency Fire Center (NIFC) reported more than 80 large fires burning in nine...

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Saturn seen by Cassini spacecraft

With this view, Cassini captured one of its last looks at Saturn and its main rings from a distance. The Saturn system has been Cassini's home for 13 years, but that journey is nearing its end.Cassini has been orbiting Saturn for nearly a half of a Saturnian year but...

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Spiral Galaxy NGC 5398

This NASA/ESA Hubble Space Telescope picture shows NGC 5398, a barred spiral galaxy located about 55 million light-years away.The galaxy is famous for containing an especially extensive HII region, a large cloud composed of ionised hydrogen (or HII, pronounced “H-two”, with H being the chemical symbol for hydrogen and...

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Three hurricanes seen by Suomi NPP satellite

Meteorologists struggled to find the right words to describe the situation as a line of three hurricanes—two of them major and all of them threatening land—brewed in the Atlantic basin in September 2017.Forecasters were most concerned about Irma, which was on track to make landfall in densely populated South...

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Interacting Galaxies NGC 2207 • IC 2163

NGC 2207 and IC 2163 are two spiral galaxies in the process of merging.This pair contains a large collection of super bright X-ray objects called "ultraluminous X-ray sources" (ULXs).Astronomers have found evidence for three supernova explosions within this pair in the past 15 years.A new composite image of the...

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Star-Forming Region Messier 43

The NASA/ESA Hubble Space Telescope has taken a close-up view of an outer part of the Orion Nebula’s little brother, Messier 43. This nebula, which is sometimes referred to as De Mairan’s Nebula after its discoverer, is separated from the famous Orion Nebula (Messier 42) by only a dark...

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Hurricane Irma seen by NASA’s Terra satellite

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite acquired a natural-color image of Irma at 10:00 a.m. local time (16:00 Universal Time) on September 8, 2017.Image Credit: NASA...

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Dwarf Galaxy IC 2574

The NASA/ESA Hubble Space Telescope has imaged a region of space containing the intriguing object IC 2574. Pink bubbles blown by supernova explosions abound in this faint galaxy. The colour of these shells comes from hydrogen gas irradiated by newborn stars. The formation of the stars was triggered by...

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The Eagle Nebula

Messier 16 (M16), also known as the Eagle Nebula, is located in the southern constellation of Serpens (the Snake).Using the infrared multi-mode ISAAC instrument on the 8.2-m VLT ANTU telescope, European astronomers were able to image the Eagle Nebula at near-infrared wavelength. The ISAAC near-infrared images cover a 9...

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Hurricane Irma seen by NOAA's GOES East satellite

NOAA's GOES East satellite captured this infrared image of Hurricane Irma in the Bahamas on September 8 at 4:45 a.m. EDT.Image Credit: NASA/NOAA GOES Project...

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Spiral Galaxy NGC 4634

The NASA/ESA Hubble Space Telescope has produced a sharp image of NGC 4634, a spiral galaxy seen exactly side-on. Its disc is slightly warped by ongoing interactions with a nearby galaxy, and it is crisscrossed by clearly defined dust lanes and bright nebulae.NGC 4634, which lies around 70 million...

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The Tarantula Nebula

About 2,400 massive stars in the center of 30 Doradus are producing intense radiation and powerful winds as they blow off material. Multimillion-degree gas detected in X-rays (blue) by the Chandra X-ray Observatory comes from shock fronts formed by these stellar winds and by supernova explosions. This hot gas...

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Hurricane Jose seen by Aqua satellite

On September 7 at 12:45 p.m. EDT (1645 UTC) the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Aqua satellite captured a visible-light image of Hurricane Jose approaching the Leeward Islands.Image Credit: NASA Goddard MODIS Rapid Response Team...

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Open Star Cluster IRAS 17430-2848

Although this cluster of stars gained its name due to its five brightest stars, it is home to hundreds more. The huge number of massive young stars in the cluster is clearly captured in this NASA/ESA Hubble Space Telescope image.The cluster is located close to the Arches Cluster and...

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Spiral Galaxy Messier 51

M51 is a spiral galaxy, about 30 million light years away, that is in the process of merging with a smaller galaxy seen to its upper left.Image Credit: X-ray: NASA/CXC/SAO; Optical: Detlef Hartmann; Infrared: NASA/JPL-Caltech...

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Hurricane Irma seen from the International Space Station

The eye of Hurricane Irma is clearly visible from the International Space Station as it orbited over the Category 5 storm on September 5, 2017.Image Credit: NASA...

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Earth seen by DSCOVR Observatory

DSCOVR, 1 million miles from EarthAugust 21, 2017Image Credit: NASA EPIC Team...

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Spiral Galaxy NGC 634

The NASA/ESA Hubble Space Telescope is renowned for its breathtaking images and this snapshot of NGC 634 is definitely that — the fine detail and exceptionally perfect spiral structure of the galaxy make it hard to believe that this is a real observation and not an artist’s impression or...

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Emission Nebula N83B

Extremely intense radiation from newly born, ultra-bright stars has blown a glowing spherical bubble in the nebula N83B. A new NASA/ESA Hubble Space Telescope image has helped to decipher the complex interplay of gas and radiation in a star-forming region of a nearby galaxy. The image graphically illustrates just...

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Hurricane Irma seen by Suomi NPP satellite

On September 6, 2017, Hurricane Irma—an unusually powerful category 5 storm—slammed into the Leeward Islands on its way toward Puerto Rico and possibly the U.S. mainland.By definition, category 5 storms deliver maximum sustained winds of at least 157 miles (252 kilometers) per hour. When it hit the Leeward Islands,...

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X9.3 Solar Flare

An X9.3 class solar flare flashes in the middle of the Sun on September 6, 2017. This image was captured by NASA's Solar Dynamics Observatory at 11:58:20UT and shows light in the 131 angstrom wavelength.Image Credit: NASA/GSFC/SDO...

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Planetary System Gliese 176

A study using data from NASA's Chandra X-ray Observatory and ESA's XMM-Newton suggests X-rays emitted by a planet's host star may provide critical clues to how hospitable a star system could be. Researchers looked at the X-ray brightness from 24 stars with masses similar to the Sun or less,...

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Hurricane Irma seen by NOAA’s GOES East satellite

This visible light image of Hurricane Irma was captured by NOAA's GOES East satellite as it strengthened to a Category 5 hurricane in the Central Atlantic Ocean on September 5 at 7:45 a.m. EDT (1145 UTC).Image Credit: NASA/NOAA GOES Project...

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Millions of Distant Galaxies

Anyone who has wondered what it might be like to dive into a pool of millions of distant galaxies of different shapes and colours, will enjoy the latest image released by ESO. Obtained in part with the Very Large Telescope, the image is the deepest ground-based U-band image of...

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NASA’s SDO Captures Image of Mid-level Flare

The Sun emitted a mid-level solar flare, peaking at 4:33 pm EDT on September 4, 2017. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to...

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Hurricane Irma

On September 4 at 17:24 UTC, NASA-NOAA's Suomi NPP satellite captured this view of Hurricane Irma as a Category 4 hurricane approaching the Leeward Islands.Image Credit: NOAA/NASA Goddard MODIS Rapid Response Team...

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Spiral Galaxy Messier 81

M81 is a spiral galaxy about 12 million light years away that is both relatively large in the sky and bright, making it a frequent target for both amateur and professional astronomers.Image Credit: X-ray: NASA/CXC/SAO; Optical: Detlef Hartmann; Infrared: NASA/JPL-Caltech...

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Star-Forming Region NGC 604 in the Triangulum Galaxy

A billowing cloud of hydrogen in the Triangulum galaxy (Messier 33), about 2.7 million light-years away from Earth, glows with the energy released by hundreds of young, bright stars. This NASA/ESA Hubble Spare Telescope image provides the sharpest view of NGC 604 so far obtained.Some 1500 light-years across, this...

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Solar Eclipse seen by DSCOVR Observatory

DSCOVR, 1 million miles from EarthAugust 21, 2017Image Credit: NASA EPIC Team...

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Spiral Galaxy NGC 5559

Like firecrackers lighting up the sky on New Year’s Eve, the majestic spiral arms of NGC 5559 are alight with new stars being born. NGC 5559 is a spiral galaxy, with spiral arms filled with gas and dust sweeping out around the bright galactic bulge. These arms are a...

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