Jupiter at Opposition
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Jupiter is the “big brother” of the solar system. It’s bigger and heavier than its sibling planets — more than […]
Algol
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Ghosts and goblins and ghouls prowl the streets tonight. And they also prowl the sky. In fact, four stars in
Moon and the Bull
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The gibbous Moon perches near the neck of Taurus, the bull, this evening. It’s roughly the same distance from the
A Legend Returns
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AUDIO: Godspeed, John Glenn. 3, 2, 1, zero, ignition, liftoff! The MA-6 vehicle has lifted off… John Glenn was an
Moon and Jupiter
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In most ways, Jupiter is the most impressive planet in the solar system. It’s heavier than all the other planets
Lunar Eclipse
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Some eclipses are spectacular, such as the annular solar eclipse of a couple of weeks ago. Others — well, not
Dark Eclipses
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During most lunar eclipses, the Moon turns orange or red as it passes through Earth’s long shadow. Occasionally, though, it
Trimming Down
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A pair of supermassive black holes may have trimmed down a bit. The black holes themselves didn’t change — only
Blazars
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The universe is filled with brilliant black holes. They shine like beacons, visible from billions of light-years away. And they
Moon and Companions
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The Moon has a couple of bright companions tonight and tomorrow night. The brighter one is the giant planet Saturn,