Archive – Page 333 – Astronomy Now

How to prevent another Chelyabinsk

14 February 2015 Keith Cooper

The Chelyabinsk event two years ago heightened public awareness of the threat posed to humanity by an asteroid strike, but what can be done to prevent it happening again? The forthcoming Sentinel Space Telescope and ATLAS Project will hopefully prevent us being caught off guard.

Rosetta approaches comet 67P for a closer look

14 February 2015 Stephen Clark

The Rosetta spacecraft neared its comet Saturday, targeting a close flyby within six kilometres of the tiny world’s jagged nucleus to gain new up-close views of the comet and taste the growing vaporous cloud surrounding it.

‘Interstellar’ technology throws light on spinning black holes

14 February 2015 Astronomy Now

The team responsible for the Oscar-nominated visual effects at the centre of Christopher Nolan’s epic, Interstellar, have turned science fiction into science fact by providing new insights into the powerful effects of black holes.

A Valentine’s rose made of galaxies

14 February 2015 Astronomy Now

A rose made of galaxies, pictured by the Hubble Space Telescope, makes the perfect Valentine’s gift for the astronomer in your life!

Venus and Mars get close in the evening sky

13 February 2015 Ade Ashford

Observers with a clear western horizon from the middle to the third week of February can enjoy the closing gap between planets Mars and Venus in the early evening sky.

New imaging technique reveals Titan in unprecedented detail

13 February 2015 Astronomy Now

A new way to process radar data from NASA’s Cassini spacecraft gives researchers much clearer and easier to interpret views of the surface of Titan, Saturn’s largest moon.

Astronomers catch multiple-star system in first stages of formation

11 February 2015 Astronomy Now

Scientists studying a dense core of gas called Barnard 5 that lies 800 light-years away in the constellation Perseus discover a young protostar and three dense condensations that will give birth to four stars in ~40,000 years.

Google gives Lick Observatory $1 million

10 February 2015 Astronomy Now

Recent budget cuts suggested a bleak outlook for Lick Observatory atop Mount Hamilton in California, but a substantial gift from internet giant Google gives this historic teaching and research facility hope for a brighter future.

First pair of merging stars destined to become a supernova found

10 February 2015 Astronomy Now

Astronomers using ESO’s Very Large Telescope in Chile and instruments in the Canary Islands have discovered a close orbiting pair of white dwarf stars destined to become a Type Ia supernova.

Hubble captures rare triple-moon conjunction

9 February 2015 Astronomy Now

On 24th January 2015, three of Jupiter’s Galilean moons were in simultaneous transit across the face of their parent planet. The Hubble Space Telescope captured this rare event in amazing detail.