... The International Dark Sky Association promotes smarter lighting systems, which are not only safer for people (they tend not create deep dark shadows where someone can hide) but also are more efficient, meaning they cost less in the long run. ...
... such a great eclipse is that the Moon passes deeply into the shadow, so it will be ... The answer to the first one is the same reason the sky is blue. ... light more than red light, so we see scattered sunlight coming form all over the sky ...
... The Parallel Program . Taking a Closer (and deeper) Look . The STIS Parallel Image. ... at more-or-less random points on the sky: near the WFPC2 field, but offset a bit ...
... its discoverers, has just rounded the Sun and is heading back out to deep space ... You don't need a telescope or binoculars, since meteors can zip anywhere in the sky. ...
... Dust around the lander . Deep, dark shadows . Non-parallel shadows . ... Without air, the sky is black, so where are the stars? . Good: The stars are there! ... it appeals to our common sense: when the sky is black here on Earth, we see stars ...
... When asked why NASA didn't see this coming, the director says (paraphrasing) "We only have a million dollars to search the whole sky, and it's a big sky". ...
... ships silhouetted against the planet, and beyond that the sky is full of stars ... So even though the sky looks black, there will be no stars in the picture. ... when a starship is leaving Tatooine we get a short glimpse of two suns in the sky ...
... Sure enough, much deeper images were taken, and some of the objects were found to be ... It would be the third brightest object in the sky (only the Moon and Sun would be ...