Today, I want to talk about the equatorial coordinate system. Start with this: What if we could project Earth’s coordinates of longitude and latitude into the sky? Latitude wouldn’t be a problem, but ...
How much of the sky can you see at any one time? This, of course, assumes you are looking up from a wide-open, flat field or out on an ocean liner with nothing but a flat horizon no matter which way ...
Halfway between the celestial poles is the celestial equator, a projection of Earth’s equator onto the sky. The stars on the celestial equator rise due east and set due west. Delta Orionis, the ...
Length of day and night roughly equal as longer summer days draw near The sun crosses the celestial equator this week, meaning that the March equinox is upon us. The celestial equator is the ...
The Sun crosses the Celestial Equator this week, but what exactly does that mean? This week, we finally see the end of Winter, as the Vernal Equinox arrives to kick off the new season of Spring for ...
How much of the sky can you see at any one time? This, of course, assumes you are looking up from a wide-open, flat field or out on an ocean liner with nothing but a flat horizon no matter which way ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results