13 June 2025
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Month: July 2021

Observing

See Saturn at its best for the year

30 July 2021 Mark Armstrong

Saturn, often described as the jewel in the Solar System’s crown, comes to opposition on the night of 1/2 August in one of the highlights of the observing year.

Equipment

Reviewed: OVNI-M FOM 2600 Night-vision eyepiece

29 July 2021 Gavin Orpin

Tired of straining your eyes trying to see faint fuzzies through the eyepiece, and looking for views reminiscent of astro-images? The OVNI-M night-vision eyepiece might be just right for you.

News

“Mountains” on neutron stars just fractions of a millimetre tall

28 July 2021 Astronomy Now

Computer modelling suggests neutron stars are gravitationally compressed into near-perfect spheres.

Picture This

Perseverance surveys the magnificent desolation of Jezero Crater

27 July 2021 Astronomy Now

The Perseverance Mars rover’s cameras capture the stark, desert-like beauty of Jezero Crater where a now-vanished lake once sparkled and where traces of ancient microbial life may preserved in lakebed sediments.

News

InSight finds frigid Mars has molten core

27 July 2021 Astronomy Now

An ultra-sensitive seismometer aboard NASA’s InSight Mars lander finds a huge molten core at the heart of the red planet.

News

In a first, ALMA spies huge moon-forming disc around exoplanet

24 July 2021 Astronomy Now

ALMA confirms the presence of a possible moon-forming disc of dusty debris around a Jupiter-size exoplanet 400 light years from Earth.

News

Perseverance Mars rover poised to collect first rock samples

23 July 2021 Astronomy Now

Five months after landing in Jezero Crater, the Perseverance Mars rover is finally ready to begin collecting samples for eventual return to Earth.

News

Whew! Hubble Space Telescope back in operation

17 July 2021 Astronomy Now

After a month of complex troubleshooting, engineers have successfully restored the Hubble Space Telescope to normal operations.

Picture This

A frequently rediscovered globular cluster in Scorpius catches Hubble’s eye

13 July 2021 Astronomy Now

The origin of the globular clusters observed in most galaxies remains a mystery, but the vast star swarms provide some of the most stunning sights in the heavens for professional and amateur astronomers alike.

News

Astronomers spot two stars locked in supernova death spiral

13 July 2021 Astronomy Now

Astronomers spot a teardrop-shaped star indicating the distorting presence of a white dwarf as the two spiral toward a supernova blast.

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News Headlines

  • universe
    Is the Hubble Tension Resolved?
    9 June 2025
  • The Universe
    Universe’s end – sooner rather than later
    16 May 2025
  • T Coronae Borealis
    A faint star will reveal itself as it throws a hissy-fit
    26 March 2025
  • Saturn
    Saturn’s Rings to “Disappear”
    24 March 2025
  • Big Bang
    The Lithium Problem
    17 March 2025
  • Home
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      • July last issue
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  • Reviews
    • Equipment
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  • Spaceflight Now
  • Shop
  • Contact Us
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