SkyCaramba SkyCaramba
-
- 科学
Podcast about astronomy and the joys of watching the skies at night--and sometimes during the day
-
Mediocre planetary alignments
All the planets will soon by on the same side of the sun. When something like that happened in 1982, some people carried on like the world would come to an end. Most scientists recognized the so-called alignment as an important opportunity.
-
Two planets in a super close conjunction
Mars and Neptune will appear very close. To see this super close conjunction, you will need to be in a place where it's still dark when they're up. And you'll need magnification. How much? Not much. But you need something else too.
-
April Lyrids versus the full moon
Earth is passing through the dust stream that produces the April Lyrid meteor shower this week. There are sometimes bright fireballs. The full moon is interfering though.
-
Eclipse follow-up
What an exciting week that just ended with a total solar eclipse. Red prominences showed in the corona. Why are they that color? And what did scientists learn about the sun by analyzing the corona's spectum?
-
A planetary lineup straddling the sun at eclipse time
Several planets are lined up in the morning. The moon is with them at first. One more admonition to protect your eyes during the solar eclipse. Several planets appear close to the sun during the eclipse. Then the moon passes Mercury and Jupiter in the evening.
-
The moon meets the morning planets and more eclipse preparation tips
Mercury's leaving the evening sky. Jupiter is heading toward Uranus. Three planets are leaving the morning sky, but there's time for the moon to meet up with them. And here's some more advice on how to experience the total solar eclipse.