Posts Tagged 'night sky'

The Night Sky: The tides of the Hudson

The Night Sky: The tides of the Hudson

Coastal civilizations forever noticed that the ocean’s rhythmic rise and fall mostly followed the Moon’s position. But how could this be? We orbit the huge massive Sun, not the lightweight Moon. Why should the Sun have the dominant gravitational effect on us — and yet the Moon boasts the greater tidal pull?

Saturn at its mind-blowing best

Saturn at its mind-blowing best

One planet never disappoints. Through any telescope with more than 30x, Saturn elicits gasps. Oddly enough, photos of the ringed world do not pack the same punch. You have to see it for yourself.

The gift of planets

The gift of planets

What’s the most romantic gift for your sweetheart? A book of poetry? A candlelight dinner? Excellent choices — but as a nightcap, what’s better than the Goddess of Love in person?

Coming up: Big Hudson River tides

Coming up: Big Hudson River tides

Extremely high Hudson River tides start this Sunday and peak Tuesday, April 27. That’s because Monday’s Full Moon happens just before it reaches its closest approach of the month. And its third nearest meeting with Earth of the entire year, missing second place by just 42 miles.

Carbon dioxide explained

Carbon dioxide explained

If you know any skeptics regarding carbon dioxide, or who are not freaked by the earth’s still-new milestone of hitting 400 parts per million, just point upward any night, and show them how it operates elsewhere in the universe.