Archive – Page 101 – Astronomy Now

Cassini’s last look at Titan reveals more surprises

17 April 2019 Astronomy Now

During the Cassini spacecraft’s final close flyby of Saturn’s moon Titan, small-but-deep lakes of pure methane were found atop mesa-like landforms.

Mars methane mystery deepens with ExoMars data

16 April 2019 Astronomy Now

In contrast to earlier observations, the ESA-Rososmos ExoMars Trace Gas Orbiter has found a surprising absence of methane in the martian atmosphere.

TESS finds its first Earth-size planet and a sub-Neptune sibling

15 April 2019 Astronomy Now

NASA’s planet-hunting TESS spacecraft has found its first Earth-size planet orbiting a star 53 light years away, along with a larger sub-Neptune sibling.

With a half-million stars, Messier 3 reveals a splendid deep space tapestry

14 April 2019 Astronomy Now

Globular cluster M3 in Canes Venatici was the first object put on Charles Messier’s famous list that was discovered by the French astronomer himself. Messier could not have imagined the splendour revealed by the Hubble Space Telescope, which shows the cluster as a mind-boggling concentration of more than a half million stars some 33,000 light years from Earth.

Curiosity drills into clay unit; InSight ‘mole’ tests continue

13 April 2019 Astronomy Now

NASA’s Mars Curiosity rover has started drilling in a clay-bearing unit on the slope of Mount Sharp where rocks formed in the presence of water are expected.

Israeli probe crashes in attempt to become first privately-funded Moon lander

11 April 2019 Stephen Clark

An Israeli-built spacecraft seeking to become the first privately-developed probe to land on the Moon crashed on descent Thursday, but the mission was widely lauded as a breakthrough for the commercial space industry, and Israeli prime minster Benjamin Netanyahu said the country would try again.

Privately-funded Israeli probe set for daring Moon landing attempt

11 April 2019 Stephen Clark

An Israeli-built spacecraft financed through donations from billionaire philanthropists is set to make history Thursday when it tries to become the first privately-funded probe to land on the Moon.

‘Virtual’ telescope captures first direct image of black hole

10 April 2019 Astronomy Now

For the first time, astronomers have captured a direct view of the environment just outside the event horizon of a supermassive black hole.

BepiColombo ready for long cruise to Mercury

10 April 2019 Astronomy Now

The European Space Agency’s ambitious BebiCololmbo probe has completed commissioning and is now clear for the long voyage to Mercury

See Mercury and Venus in the pre-dawn sky from the Southern Hemisphere

10 April 2019 Ade Ashford

Mercury attains a very favourable western elongation of almost 28 degrees from the Sun on 11 April, which means that the innermost planet is a morning object in the eastern sky before sunrise. Antipodean skywatchers are in the enviable position of being able to see Mercury and Venus close together for several mornings in a dark sky before the onset of astronomical twilight.