After putting on a show in the predawn sky earlier this month, Comet Tsuchinshan-ATLAS (C/2023 A3) was eventually lost in the ...

答：人的肉眼能够观测到的极限星等大约是6.5等。小于6.5等的星星都能被人眼直接看到，当然也要取决于天气和光污染情况。由于彗星是弥散天体，彗星大约要小于3等，才能被人眼看到。但是只有少数的彗星，当它们离太阳很近时，变得非常明亮，可以被人眼直接看到，比如著名的哈雷彗星，几乎每次回归都是肉眼可见。2007年回归的麦克诺特彗星，其亮度甚至达到了-5.5等。

A comet discovered in 2023 will pass by Earth this weekend and become increasingly visible in Central Illinois over the next ...

It is also theoretical. Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival ...

Comet C/2023 A3 Tschinshan-ATLAS will be at its closest point to Earth, 44 million miles, on Saturday, and should be visible to the naked eye in the western sky just after sunset. The comet will be ...

Recently, the comet has been obscured by the glare of the Sun, but it will soon become visible in the Northern Hemisphere, ...

The bright comet, last visible from Earth when Neanderthals were alive, will be able to be seen with the naked eye tonight ...

There’s a rare object in the skies over Colorado this week. Comet Tsuchinshan-ATLAS will be visible just over the western ...

ATLAS, which should this weekend become a naked-eye object in the post-sunset sky from the northern hemisphere.

In the days following its sweep around the sun, Ikeya-Seki was a spectacular sight in the late October and early November ...

To get the best view of the comet, go outside about an hour after sunset and look west. The comet should be visible from the ...

The SOHO spacecraft captured amazing imagery of Comet C/2023 A3 (Tsuchinshan-ATLAS) zooming near the sun as the star ...