Panic panic, what should I buy for Christmas?
It’s nearly Christmas and you’re wondering what to buy that budding astronomer you know. Here’s some advice on where to start so you get them hooked on astronomy.
It’s nearly Christmas and you’re wondering what to buy that budding astronomer you know. Here’s some advice on where to start so you get them hooked on astronomy.
“Any photographer that has a question that needs an answer can use PhotoPills. Beginners use it to find sunrise and set times, golden hour and blue hour times and for basic calculations like depth of field. Then we have the photographers that plan their Sun, Moon and Milky Way shots… it all depends on your needs.”
(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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