Picture This – Page 63 – Astronomy Now

Hubble views a nitrogen-rich planetary nebula

29 June 2015 Astronomy Now

NGC 6153 in the constellation Scorpius contains up to three times the amount of neon, argon, oxygen, carbon and chlorine to be found in our Solar System, but what really sets this planetary nebula apart is the quantity of nitrogen in its clouds.

Triple crescents

22 June 2015 Astronomy Now

A single crescent moon is a familiar sight in Earth’s sky, but with Saturn’s many moons, you can see three or even more. Rhea (top), Titan and Mimas (bottom) align for this image from NASA’s ongoing Cassini mission.

NGC 6503: a lone galaxy lost in space

14 June 2015 Astronomy Now

Most galaxies are clumped together in groups or clusters. A neighbouring galaxy is never far away. But this galaxy, known as NGC 6503, has found itself in a lonely position, at the edge of a strangely empty patch of space called the Local Void.

Fly over Ceres in a new video

9 June 2015 Astronomy Now

A new animated video of dwarf planet Ceres, based on images taken from NASA’s Dawn spacecraft’s first mapping orbit at an altitude of 8,400 miles (13,600 kilometres), as well as the most recent navigational images taken from 3,200 miles (5,100 kilometres), provides a unique perspective of this heavily cratered, mysterious world.

Celebrating Hubble: The cosmic sombrero

7 June 2015 Astronomy Now

Regarded as one of the most majestic of all of the galaxies in the Universe is the Sombrero, 28 million light years away in the constellation Virgo. This spiral galaxy’s notable features are its thick, torus-like disc with a dark, duty rim and the intense, bulbous, white glow that emanates from its core.

Last look at Hyperion

4 June 2015 Kerry Hebden

Saturn’s irregularly shaped moon Hyperion, received its last close inspection from NASA’s Cassini spacecraft, before the probe heads on to its icy neighbour Dione.

A bubbly cosmic celebration of star birth

31 May 2015 Astronomy Now

In the brightest region of this glowing nebula called RCW 34, gas is heated dramatically by young stars and expands through the surrounding cooler gas, bursting outwards into the vacuum like the contents of an uncorked champagne bottle. But RCW 34 has more to offer than a few bubbles; there seem to have been multiple episodes of star formation within the same cloud.

Dawn spirals closer to Ceres, returns a new view

29 May 2015 Astronomy Now

A new view of Ceres, taken by NASA’s Dawn spacecraft on May 23rd, shows finer detail is becoming visible on the dwarf planet. The spacecraft snapped the image at a distance of 3,200 miles (5,100 kilometres) with a resolution of 1,600 feet (480 meters) per pixel.

Hubble revisits tangled galaxy NGC 6240

25 May 2015 Astronomy Now

Not all galaxies are neatly shaped, as this new NASA/ESA Hubble Space Telescope image of NGC 6240 clearly demonstrates. Hubble previously released an image of this galaxy in 2008, but the knotted region was only revealed in these new observations from Hubble’s Wide Field Camera 3 and Advanced Camera for Surveys.

The dreadful beauty of the Medusa Nebula

21 May 2015 Astronomy Now

Astronomers using ESO’s Very Large Telescope in Chile have captured the most detailed image ever taken of the Medusa Nebula in the constellation of Gemini. As the star at the heart of this nebula made its transition into retirement, it shed its outer layers into space, forming this colourful cloud.