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Astronomy
19 小时
The Moon meets Venus: This Week in Astronomy with Dave Eicher
In this episode, Dave Eicher describes the upcoming conjunction of two bright objects in the evening sky. On October 5th, you ...
Astronomy
1 天
Nuclear bombs really could deflect asteroids, lab tests suggest
An experiment with powerful pulses of energy sent test targets flying in a step forward for planetary defense.
Astronomy
1 天
Why weren’t astronomers sure that supermassive black holes could merge?
An issue called the final parsec problem detailed the theoretical difficulty in bringing supermassive black holes close ...
Astronomy
1 天
An annular solar eclipse
In this episode, Dave Eicher invites you to observe the annular eclipse that will occur October 2. Annular eclipses occur when the Sun, the Moon, and Earth line up, in that order. But in this case, ...
Astronomy
6 天
Black hole caught blasting jets out into the cosmic void
The plumes stretch farther than any yet seen, reaching millions of light-years long and potentially influencing the cosmos ...
Astronomy
7 天
The “Wow! Signal,” not surprisingly, was a dud
A famous radio signal from space long considered as a possible sign of another civilization, in the end, falls flat.
Astronomy
4 天
Watch the Moon cover the Pleiades Sunday morning
On September 22, our satellite passes in front of the famous star cluster M45 in a rare, breathtaking event, producing ...
Astronomy
4 天
The Sky This Week from September 20 to 27: Neptune at Opposition
Neptune reaches opposition today at 8 P.M. EDT in the constellation Pisces. Opposition is generally the best time to view ...
Astronomy
11 天
Annular eclipse shot wins astronomy image of the year
Royal Observatory Greenwich’s Astronomy Photographer of the Year winners announced including nebulae, skyscapes, and more.
Astronomy
5 天
Traces of Earth’s earliest atmosphere could be buried on the Moon
Our Earth is about 4.5 billion years old and, through careful work, scientists have pieced together a timeline of its past.
Astronomy
11 天
The Sky This Week from September 13 to 20: A partial lunar eclipse plus an occultation
Celebrate a Harvest Moon lunar eclipse and an occultation of the planet Saturn, just days before Neptune reaches opposition.
Astronomy
10 天
Could we experience the first-ever human-made meteor shower?
Come 2034, humans could witness the first-ever artificial meteor shower sparked by activity in space.
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