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Category: space

Australia gets its own space force.

The Australian government yesterday launched the Space Command, a new defense agency with echoes of the US’ Space Force that has been tasked with securing the country’s place in an “already contested” cosmos.

Australian Minister for Defence Peter Dutton said the new defense arm would be modest to start with, although he gave no detailed staffing or budget figures.

In a speech to the Australian Air Force, he said that space “will undoubtedly become a domain that takes on greater military significance in this century.”

Continue reading “Australia launches Space Command to counter China” | >

These features could have a special significance for the Earth’s evolution.

When it comes to the universe and all of its mysteries, there are many things we know we don’t know. Some are minor and mostly inconsequential, but there are other cosmological unknowns that leave huge blanks in our understanding of how things work on large and small scales. How our planet was created is one such mystery. Let’s go all the way back to the beginning when the Sun was just a clump of gas and dust to understand how our solar system may have formed.

## How stars form.

Traditional wisdom says that all stars spawn from immense clouds of spinning gas and dust, known as molecular clouds, often containing the mass of hundreds of millions of stars. The environment within these stellar nurseries tends to be extremely turbulent, preventing all of the gas and dust from being distributed evenly throughout the molecular cloud. Drawn together by the forces of gravity, once enough matter has collected in one area, the cloud begins to heat up and ultimately collapses under its own weight — creating something known as a protostar. Feeding off the material encircling it, the protostar eventually becomes hot and large enough to jumpstart the process of thermonuclear fusion.

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Continue reading “The Sun is losing mass. And once featured Saturn-like rings?” | >

If we are to set up a permanent base on the Moon, we will need some solid connection.

A space startup company is trying to make that happen. Aquarian Space recently announced receiving $650,000 in seed funding to develop a possible broadband internet connection that would link the Earth to the Moon, and maybe even Mars.

The company aims to deploy its first communications system to the Moon by 2024 in anticipation of increased demand from planned space missions to the Moon and beyond, both public and private ventures.

“In 2021 there were 13 landers, orbiters, and rovers on and around the moon,” Kelly Larson, CEO of Aquarian Space, said in a statement released Thursday. “By 2030, we will have around 200, creating a multibillion-dollar lunar economy. But this can’t happen without solid, reliable Earth-to-moon communications.”

Continue reading “Space WiFi? A new startup wants to give NASA’s moonbase an internet connection” | >

Images of a very “boring” star are making waves across the astronomical world today – they are the first sent back from NASA’s James Webb telescope, and they have exceeded all hopes and expectations.

Having completed the self-assembly of its 18-segmented main mirror, the telescope has now taken exceptional images of an unexceptional star as a test of its capabilities. The star, known as HD84406, is 100 times fainter than what can be seen with the human eye. The star itself is of little interest, lovely though its image is – instead, astronomers are captivated by the spray of tiny dots scattered across the background. Each is a distant galaxy, and this is the first time we’ve ever been able to capture them.

In a virtual briefing, NASA officials expressed their overwhelming joy and relief at what these first images represent.

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