Ken Tapping

Columnist at Penticton Herald

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Articles

Observing a dead galaxy

6 days ago | pentictonherald.ca | Ken Tapping

Nothing lasts forever, even galaxies, and maybe even universes. The James Webb Space Telescope has just observed the oldest dead galaxy, that is, one in which the birth of new stars has ceased. This galaxy, poetically named RUBIES-UDS-QG-z7, ceased producing stars a mere 700 million years after the Big Bang. Our galaxy, the Milky Way, formed some 13.6 billion years ago, that is, some 200 million years after the Big Bang, and is still vigorously forming new stars.
Why some galaxies 'die' and others do not - Skywatching

6 days ago | castanet.net | Ken Tapping

Nothing lasts forever, even galaxies, and maybe even universes. The James Webb Space Telescope has just observed the oldest dead galaxy, that is, one in which the birth of new stars has ceased. This galaxy, poetically named RUBIES-UDS-QG-z7, ceased producing stars a mere 700 million years after the Big Bang. Our galaxy, the Milky Way, formed some 13.6 billion years ago, some 200 million years after the Big Bang, and is still vigorously forming new stars.
Why some galaxies 'die' and others do not - Skywatching

1 week ago | castanetkamloops.net | Ken Tapping

Nothing lasts forever, even galaxies, and maybe even universes. The James Webb Space Telescope has just observed the oldest dead galaxy, that is, one in which the birth of new stars has ceased. This galaxy, poetically named RUBIES-UDS-QG-z7, ceased producing stars a mere 700 million years after the Big Bang. Our galaxy, the Milky Way, formed some 13.6 billion years ago, some 200 million years after the Big Bang, and is still vigorously forming new stars.
We've entered a new era of astronomy

1 week ago | pentictonherald.ca | Ken Tapping

The radio telescope at the Algonquin Radio Observatory, located in Algonquin Park, Ontario, is typical of the radio telescopes built around the world in the 1960's. It is a spectacular instrument with a 46m dish. At an operating wavelength of 2.8cm it can "see" a patch of sky about one tenth the diameter of the Moon in the sky. This means that pointing the instrument at known cosmic sources of radio waves and measuring the strength and other properties of their radio emission is quite easy.
Advances in technology help us see more in the sky - Skywatching

1 week ago | castanet.net | Ken Tapping

The radio telescope at the Algonquin Radio Observatory, located in Algonquin Park, Ontario, is typical of the radio telescopes built around the world in the 1960s. It is a spectacular instrument with a 46-metre dish. At an operating wavelength of 2.8 centimetres it can "see" a patch of sky about one tenth the diameter of the Moon in the sky.
Astronomy’s eclipse experiment of 1946

2 weeks ago | pentictonherald.ca | Ken Tapping

Canadian radio astronomy started directly after the Second World War. Arthur Covington, a scientist with the National Research Council, had been working on radar development during the war, and when peace came, he and his colleagues made Canada’s first radio telescope out of spare radar bits and pieces. The radio telescope had a small antenna and the only radio source our pioneers could detect was the Sun.
Another eclipse seen by radio - Skywatching

2 weeks ago | castanet.net | Ken Tapping

Canadian radio astronomy started directly after the Second World War. Arthur Covington, a scientist with the National Research Council, worked on radar development during the war and when peace came, he and his colleagues made Canada's first radio telescope out of spare radar bits and pieces. The radio telescope had a small antenna and the only radio source our pioneers could detect was the Sun.
What was there before the Big Bang?

3 weeks ago | pentictonherald.ca | Ken Tapping

Albert Einstein was not happy. In the early years of the 20th century he had come up with his General Theory of Relativity, an important part of which was a suggested explanation of gravity. Isaac Newton came up with the idea of gravity, but did not know what it was. Einstein was unhappy because his equations were telling him things he didn’t like. Einstein believed the universe to be unchanging and eternal. His equations said that could not be the case; it had to either collapse or expand.
Looking back to the origins of the universe - Skywatching

3 weeks ago | castanet.net | Ken Tapping

Einstein was not happy. In the early years of the 20th century, he came up with his General Theory of Relativity, an important part of which was a suggested explanation of gravity. Newton came up with the idea of gravity, but did not know what it was. Einstein was unhappy because his equations were telling him things he didn't like. Einstein believed the universe to be unchanging and eternal. His equations said that could not be the case. It had to either collapse or expand.
Looking back to the origins of the universe - Skywatching

4 weeks ago | castanetkamloops.net | Ken Tapping

Einstein was not happy. In the early years of the 20th century, he came up with his General Theory of Relativity, an important part of which was a suggested explanation of gravity. Newton came up with the idea of gravity, but did not know what it was. Einstein was unhappy because his equations were telling him things he didn't like. Einstein believed the universe to be unchanging and eternal. His equations said that could not be the case. It had to either collapse or expand.