253118
253744

Skywatching

Will we recognize alien life if we find it?

Will we recognize alien life if we find it?

Jan 17, 2025 / 4:00 am

In searching for life on other planets, including on planets orbiting other stars (exoplanets), we are faced with some serious problems. In the case of...

A close encounter with the Sun

A close encounter with the Sun

Jan 10, 2025 / 4:00 am

In December, the Parker Solar Probe spacecraft made the closest controlled approach to the sun of any manmade object. Moving at 192 kilometres a second, it was...

Light from one of first galaxies to form after the beginning of the universe finally seen

Light from one of first galaxies to form after the beginning of the universe finally seen

Jan 3, 2025 / 4:00 am

Once again the James Webb Space Telescope has come up with a stunning and intriguing image. Taken with some major cosmic help, it shows one of the first...

Astronomy from a logging road

Astronomy from a logging road

Dec 20, 2024 / 4:00 am

There are some astronomy projects that are better done far away from observatories, or any other form of human activity. The enormous amount of interference...

The quest for a Martian calendar

The quest for a Martian calendar

Dec 13, 2024 / 4:00 am

In a few days, on the Dec. 21, the Earth will reach the point in its orbit where the northern end of its axis is leaning directly away from the Sun. We will...

The rings of our solar system's most distinctive planet

The rings of our solar system's most distinctive planet

Dec 6, 2024 / 4:00 am

These evenings, when it is clear, there is (what appears to be) a fairly bright yellow "star" in the southern sky. It is not actually a star; it is...

Measuring magnetic fields in space

Measuring magnetic fields in space

Nov 29, 2024 / 4:00 am

Every week, the Dominion Radio Astrophysical Observatory (just south of Penticton) has a science meeting, where, after all the interesting admin updates are...

Looking back to see how astronomers of the past worked

Looking back to see how astronomers of the past worked

Nov 22, 2024 / 4:00 am

Our ancestors had no problem with the idea that the sun would rise and set every day, providing light and warmth, forever. Things in the sky things could be...

When it comes to galaxies, it's a case of eat or be eaten

When it comes to galaxies, it's a case of eat or be eaten

Nov 15, 2024 / 4:00 am

Looking at the summer Milky Way on a clear, dark night from the shore of a lake is a wonderful experience. It all looks so beautiful and peaceful. The images of...

The massive power when black holes merge in space

The massive power when black holes merge in space

Nov 8, 2024 / 4:00 am

Black holes are good candidates for being the weirdest things in nature. There are lots of them out there, some are the remains of giant stars, others, with...

We have a lot to learn about the younger days of the universe

We have a lot to learn about the younger days of the universe

Nov 1, 2024 / 4:00 am

There are many astronomers who are a little weird but Edwin Hubble was unique. Although born in Missouri, in the U.S., Hubble affected a stilted English...

Canada has a front-row seat to the aurora borealis

Canada has a front-row seat to the aurora borealis

Oct 25, 2024 / 4:00 am

The sight of a display of aurora borealis against the stars, over a quiet lake surrounded by forested hills is about as Canadian as it gets. Over the last few...

Lunar habitation may be possible underground

Lunar habitation may be possible underground

Oct 18, 2024 / 4:00 am

A number of countries are preparing to send astronauts to the Moon. It is likely, this time the missions won't just be flying visits but part of the work...

How we learned to figure out exactly where we are at any given time

How we learned to figure out exactly where we are at any given time

Oct 11, 2024 / 4:00 am

These days, thanks to GPS (global positional systems), it is easy to know exactly where you are. Until quite recently, that was not always the case. Knowing...

Death and life in the solar system

Death and life in the solar system

Oct 4, 2024 / 4:00 am

Corona Borealis, "The Northern Crown,” is one of those rare constellations that actually looks like what it represents. It is a small circlet of...

Underground installations help us 'see' what's reaching us from space

Underground installations help us 'see' what's reaching us from space

Sep 27, 2024 / 4:00 am

We put optical observatories on tops of high mountains to get them above the clouds and away from our light pollution. Radio observatories are usually put in...

Advancement in telescopes revolutionizing our ideas of how the universe works

Advancement in telescopes revolutionizing our ideas of how the universe works

Sep 20, 2024 / 4:00 am

The most familiar type of telescope is the refractor. It uses two lenses, one to collect the light and form an image, called the “objective,” and...

Could the inhospitable atmosphere on Jupiter be creating diamonds?

Could the inhospitable atmosphere on Jupiter be creating diamonds?

Sep 13, 2024 / 4:00 am

Carbon comes in two forms. One is graphite, which is soft, black, greasy and hard to wash off clothes. It is widely used as a lubricant. Its presence is what...

Looking for a planet called Vulcan

Looking for a planet called Vulcan

Aug 29, 2024 / 2:42 pm

Our ancestors noticed that among the "fixed” stars, which remained in unchanging patterns, there were five "wandering” stars, or planets,...

Protecting Earth from the Suns coronal mass ejections

Protecting Earth from the Suns coronal mass ejections

Aug 23, 2024 / 4:00 am

Seeing the launch of a coronal mass ejection (CME) from the surface of the Sun is an awe-inspiring experience. The story starts with a huge loop, many times...

253756
252962
252389
252433