VVV BD001

This image, from ESO’s VISTA telescope, shows a newly-discovered brown dwarf nicknamed VVV BD001, which is located at the very centre of this image. It is the first new brown dwarf spotted in our cosmic neighbourhood as part of the VVV Survey. VVV BD001 is located about 55 light-years...

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Comet ISON

This view of Comet C/2012 S1 (ISON) was taken with the TRAPPIST–South national telescope at ESO's La Silla Observatory on the morning of Friday 15 November 2013. Comet ISON was first spotted in our skies in September 2012, and will make its closest approach to the Sun in late...

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Saturn's F Ring

When seen up close, the F ring of Saturn resolves into multiple dusty strands. This Cassini view shows three bright strands and a very faint fourth strand off to the right.The central strand is the core of the F ring. The other strands are not independent at all, but...

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Sun Emitted Trio of Solar Flares

NASA's Solar Dynamics Observatory captured this image of a solar flare peaking at 4:02 a.m. EDT on April 2, 2017, as seen in the bright flash near the Sun’s upper right edge. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares...

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Mysterious flash of X-rays: Chandra Deep Field South X-ray Transient 1

A mysterious X-ray source became 1,000 times brighter over a few hours before fading dramatically in about a day.This source was discovered in Chandra Deep Field-South data, giving the deepest X-ray image ever made.Hubble and Spitzer data indicate this source is likely located in a small galaxy about 10.7...

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Puyehue-Cordón Caulle Volcano Eruption

Osorno, Los Lagos, ChileImage Credit: Ivan Alvarado...

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Protoplanetary Disk HD 169142

This image depicts the dusty disc encircling the young, isolated star HD 169142. The Atacama Large Millimeter/submillimeter Array (ALMA) imaged this disc in high resolution by picking up faint signals from its constituent millimetre-sized dust grains. The vivid rings are thick bands of dust, separated by deep gaps.Optimised to...

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Comet 41P/Tuttle-Giacobini-Kresák

In this image taken March 24, 2017, comet 41P/Tuttle-Giacobini-Kresák is shown moving through a field of faint galaxies in the bowl of the Big Dipper. On April 1, the comet will pass by Earth at a distance of about 13 million miles (0.14 astronomical units), or 55 times the...

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Earth and the International Space Station

ISS, Orbit of the EarthSeptember 2016Image Credit: NASA/ESA...

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New Horizons Halfway from Pluto to Next Flyby Target

A KBO among the Stars: In preparation for the New Horizons flyby of 2014 MU69 on Jan. 1, 2019, the spacecraft’s Long Range Reconnaissance Imager (LORRI) took a series of 10-second exposures of the background star field near the location of its target Kuiper Belt object (KBO). This composite...

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Auroras on Uranus

Ever since Voyager 2 beamed home spectacular images of the planets in the 1980s, planet-lovers have been hooked on extra-terrestrial aurorae. Aurorae are caused by streams of charged particles like electrons, that come from various origins such as solar winds, the planetary ionosphere, and moon volcanism. They become caught...

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