Viewing dirty snowballs in the sky
Holly looks at three significant comets she observed.
Holly looks at three significant comets she observed.
On a Saturday night in New Zealand’s largest city, three thousand people went along to see one of the most notable science communicators of our time. Professor Brian Cox’s Universal world tour was putting on a show and Holly McClelland went along.

Holly McClelland makes a great pledge for using solar glasses even when we don’t look at eclipses.

How many telescopes can you fit on Mt John? Mount John, New Zealand, is the home of University of Canterbury’s research observatory and Dark Sky

Celestia is a very cool piece of software, which you can use to build asteroids. Here is how.


I have been reading more books this year at a rapid pace. These are the astronomy books that I have been reading. If you would

During the nationwide observance of Matariki, on a mild winter morning in Takapō (Tekapo), the Dark Sky Project was launched. The Dark Sky Project, formally

Once you get to know your way around the sky and spend a lot of time under the stars you can start seeing amazing things.

The Brashear Telescope is a masterpiece of the Victorian age technology. It stands 9 m tall with a refracting lens of 18 inches (45.72 cm)
“MOA (Microlensing Observations in Astrophysics) is a Japan/NZ collaboration that makes observations on dark matter, extra-solar planets and stellar atmospheres using the gravitational microlensing technique at the University of Canterbury Mt John Observatory in New Zealand. Further studies are also carried out.” (MOA Page, University of Canterbury)

I am an Astronomy guide. I live in the Aoraki Mackenzie Dark Sky Reserve, working for Earth and Sky where we take people on tours

(And we can do something about it.)

Life needs CHNOPS, the six essential elements Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulphur. Curiosity found them on ancient Mars, but a new study shows Earth was born without them. Only a lucky impact with Theia made our world habitable. In contrast, Venus never stood a chance. Meet the three planetary siblings and discover why only Earth became a cradle for life.

Mars’s mantle contains ancient fragments up to 4km wide from its formation—preserved like geological fossils from the planet’s violent early history.

Cosmic rays are hitting the atmosphere constantly. One of the products of the collisions is muons, and we can detect muons on the surface of the Earth to learn about the cosmic rays.
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