News – Page 183 – Astronomy Now

Question time with Alan Stern, the Pluto evangelist

12 July 2015 Stephen Clark

July is a month of rich rewards for Alan Stern, the scientist who shepherded the New Horizons spacecraft from the drawing board to Pluto, and the payoff will be sweet.

New contact with intractable comet lander

11 July 2015 Stephen Clark

Europe’s Rosetta comet probe re-established momentary contact with the Philae lander late Thursday, renewing hopes of starting up the craft’s research instruments after two weeks of radio silence dampened the moods of scientists.

Huge new survey to shine light on dark matter

11 July 2015 Astronomy Now

The first results have been released from a major new dark matter survey of the southern skies using ESO’s VLT Survey Telescope (VST) at the Paranal Observatory in Chile. The VST KiDS survey will allow astronomers to make precise measurements of dark matter, the structure of galaxy halos, and the evolution of galaxies and clusters.

The children of Pluto: reflections on Clyde Tombaugh

10 July 2015 Astronomy Now

Clyde Tombaugh discovered Pluto over 85 years ago. He died in 1997, but during the historic 14 July flyby of NASA’s New Horizons spacecraft, Clyde’s children Alden and Annette Tombaugh will be special guests at mission headquarters. Here they reflect on their father’s legacy.

Pluto probe provides appetiser for next week’s flyby

10 July 2015 Stephen Clark

Living up to promises that the view from New Horizons will only get better, the Pluto-bound spacecraft has again bested itself with a dazzling colour view of Pluto and Charon released Thursday.

Gigantic, early black hole could upend evolutionary theory

10 July 2015 Astronomy Now

Astronomers have spotted a super-sized black hole in the early universe that grew much faster than its host galaxy. The discovery challenges previous notions about the way host galaxies grow in relation to black holes and casts doubt on earlier suggestions that the radiation emitted by expanding black holes curtails the creation of stars.

Royal Astronomical Society’s National Astronomy Meeting 2015 – report 4

9 July 2015 Astronomy Now

On the final day of NAM2015, science writer Kulvinder Singh Chadha investigates a new model that generates accurate predictions of irregularities within the Sun’s 11-year heartbeat, suggesting that solar activity could fall by 60 percent during the 2030s to ‘mini ice age’ conditions. Kulvinder also looks back at the lighter moments and highlights of a successful conference.

A “heart” from Pluto as New Horizons’ flyby begins

9 July 2015 Astronomy Now

Now just five days away from its close encounter with dwarf planet Pluto, NASA’s New Horizons spacecraft beams back the first image to be received since the 4 July anomaly that sent the spacecraft into safe mode, indicating that all systems appear to be functioning normally. The flyby sequence of science observations is officially underway.

Royal Astronomical Society’s National Astronomy Meeting 2015 – report 3

8 July 2015 Astronomy Now

In his third report from the Royal Astronomical Society’s NAM2015, Kulvinder Singh Chadha examines the Sun in X-ray and ultraviolet wavelengths from three different spacecraft, dons a virtual reality planetarium headset, and investigates if the proposed James Webb Space Telescope (JWST) could discern Earth-sized worlds that are habitable.

Royal Astronomical Society’s National Astronomy Meeting 2015 – report 2

7 July 2015 Astronomy Now

In his second report from the Royal Astronomical Society’s National Astronomy Meeting 2015, Kulvinder Singh Chadha ponders the nature of dark matter and whether cosmic jets — jets of material from active galaxies travelling close to the speed of light — may correlate with dense regions of dark matter in the Universe.