Archive – Page 333 – Astronomy Now

Rosetta closing in again on comet

25 February 2015 Astronomy Now

After a close up fly by of comet 67P/Churyumov–Gerasimenko on Valentine’s Day, Rosetta looped further away from the comet than it has been since arriving there and returned some dramatic new images.

Celestron NexStar Evolution 9.25 review

25 February 2015 Ade Ashford

Celestron, a leading manufacturer of Schmidt-Cassegrain telescopes, recently added the WiFi-enabled Evolution series to its computerised NexStar range. Targeted at intermediate-level users, we took the flagship Evolution 9.25 model through its paces and admired its futuristic vision of telescope control.

Curiosity rover takes ‘selfie’ at Mojave Site on Mount Sharp

25 February 2015 Astronomy Now

A new ‘selfie’ from Curiosity shows the NASA Mars rover at work at the “Mojave” site, where its drill collected the mission’s second taste of Mount Sharp.

Cubist Saturn

24 February 2015 Astronomy Now

Sometimes at Saturn you can see things almost as if from every angle at once, the way a Cubist might imagine things.

Hubble sees pulverised planet in Beta Pictoris debris disc?

23 February 2015 Astronomy Now

Astronomers have used NASA’s Hubble Space Telescope to take the most detailed picture to date of a large, edge-on, gas-and-dust disc encircling the 20-million-year-old star Beta Pictoris, revealing what may be the pulverisation of a Mars-size body in a giant collision.

First Quarter Moon invades the Hyades

22 February 2015 Ade Ashford

On the evening of February 25th, the Hyades open cluster that forms the head of Taurus plays host to the First Quarter Moon, providing a very attractive binocular target.

MAVEN spacecraft’s first deep dip into Martian atmosphere

21 February 2015 Astronomy Now

NASA’s MAVEN mission has just completed the first of five deep-dip manoeuvres, lowering its closest approach to Mars to just 125 kilometres (78 miles), which will yield valuable data about the upper atmosphere of the Red Planet.

Space telescopes measure speed and shape of ultra-fast quasar winds

20 February 2015 Astronomy Now

Astronomers using NASA and ESA X-ray space telescopes discover that PDS 456, an extremely bright black hole known as a quasar more than 2 billion light-years away, sustains winds that carry more energy every second than is emitted by more than a trillion suns.

New Horizons spots Pluto’s small moons

19 February 2015 Astronomy Now

Exactly 85 years after Clyde Tombaugh’s historic discovery of Pluto, NASA’s New Horizons spacecraft set to encounter the icy dwarf planet this summer is providing its first views of the small moons orbiting Pluto.

The UK under a curtain of aurora

19 February 2015 Astronomy Now

NASA astronaut Terry Virts captured this stunning image of the United Kingdom, Ireland and Scandinavia on a moonlit night beneath an amazing curtain of aurora.