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Hubble acts as a time machine, allowing us to see distant objects as they appeared in the past. The answer is simply light. The term “light-year” shows up a lot in astronomy. This is a measure of distance that means exactly what it says – the distance that light travels in one year.
Aug 2, 2024 · There are few human experiences more universal than gazing up at the night sky, and the urge to look up is probably as old as our species, if not even older. But how did our ancient ancestors...
Several supernova explosions have been observed since then, including a particularly bright one in the year 1054, which (at its peak) was four times brighter than planet Venus, one of the brightest objects in the night sky. Some supernovae are even bright enough to be visible during the day!
Dec 26, 2018 · When we see a flash of lighting three kilometres away, we are seeing something that happened a hundredth of a millisecond ago. That’s not exactly the distant past. Curious Kids: Are there living...
When we look up at the stars in the night sky, we are looking back in time. The light entering our eyes from these distant objects set off years, decades or millennia earlier. Every time we look at something ‘up there’ we’re seeing it as it was in the past.
Nov 17, 2016 · Around 1 percent of the population has a strange ability known as 'calendar synaesthesia', which means they're able to visualise in crisp detail an elaborate calendar of the months of the year. For example, one woman sees the months ahead in a symmetrical 'V' in front of her.
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Why do we look up at the Stars in the night sky?
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Why do we look back in time?
Jan 5, 2022 · We think of the Moon as a nighttime object because it’s often shown that way to us in books and movies. Even the weatherman uses the Sun as a symbol for day and the Moon for night. But the Moon actually spends almost as much time in the daytime sky as the night. You just have to look a little harder to see it.
