Astronomy Now – Astronomy Now

Webb space telescope turns its infrared eye on the Crab Nebula and its remnant pulsar

7 November 2023 Astronomy Now

Taking a fresh look at the Crab Nebula, the James Webb Space Telescope provides new insights into the titanic explosion that blew a star apart and left a spinning pulsar in its wake.

First colour images from Euclid space telescope get rave reviews

7 November 2023 Astronomy Now

The initial colour images from ESA’s Euclid space telescope demonstrate its ability to capture wide-angle views that will shed light on the nature of dark energy and dark matter.

Buyers’ guide: The best equatorial mounts

6 November 2023 Astronomy Now

Before looking at a sample of equatorial (EQ) mounts on the market, we should answer three questions: what are they, why are they important and what makes some of them so astonishingly expensive?

Antlia ALP-T 5nm dual-band filter

27 October 2023 Astronomy Now

Nik Szymanek tests a new dual-passband filter from Antlia that allows imagers to simultaneously capture narrowband data in hydrogen-alpha and oxygen-III light.

Hubble images a glittering, star-studded globular cluster

6 August 2023 Astronomy Now

A star-studded image of a globular cluster near the core of the Milky Way serves as a reminder that the Hubble Space Telescope continues to wow astronomers with its powerful, crystal-clear vision.

NASA picks up faint carrier signal from Voyager 2

2 August 2023 Astronomy Now

NASA picks up faint carrier signal from Voyager 2, indicating the spacecraft is still functioning after antenna misalignment.

Webb observes menagerie of lensed galaxies behind ‘El Gordo’ cluster

2 August 2023 Astronomy Now

Webb peers into a massive galaxy cluster and finds a stunning menagerie of gravitationally lensed background galaxies from earlier epochs, again revealing the power of the telescope’s infrared vision.

JunoCam images and expert ‘citizen-scientist’ processing provides stunning portrait of Jupiter and three of its Galilean moons

1 August 2023 Astronomy Now

A family portrait of Jupiter and three of its Galilean moons shows off the skills of two “citizen scientists” using public domain imagery from NASA’s Juno orbiter.

Razor-sharp test images show Euclid’s instruments performing as expected

31 July 2023 Astronomy Now

The Euclid space telescope has reached its operational orbit and initial test images show the probe’s two instruments are operating in fine fashion as they’re fine tuned for science observations.

NASA loses touch with Voyager 2; waits for craft to ‘phone home’

31 July 2023 Astronomy Now

Flight controllers mistakenly commanded Voyager 2 to point slightly away from Earth, interrupting communications, but the spacecraft is expected to reset itself in October.