Imaginea Astronomica a Zilei

Descopera cosmosul! In fiecare zi este prezentata o noua imagine sau fotografie a universului nostru fascinant, insotita de o explicatie scurta din partea unui astronom profesionist.

2002 June 12
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A Partial Eclipse Over the Golden Gate Bridge
Credit & Copyright: Gerard Barkats

Explicatie: (Edit) Part of the Sun disappeared behind the Moon earlier this week. Previously, the waning Moon was best visible from all places on Earth during the early morning hours because it led the Sun. As the Moon orbited the Earth, however, the Sun caught up to it and passed it on the sky. Now the waxing Moon trails the Sun and is therefore best visible just after sunset. Each month, as viewed from the Earth, the Sun appears to lap the Moon and the cycle repeats. Sometimes when the Moon passes the Sun, it goes directly in front of part of it, causing a partial eclipse. Pictured above, a time lapse sequence shows the Moon passing the Sun on June 10 behind the Golden Gate Bridge in San Francisco, California, USA.

Imaginea de maine: The Tarantula Zone

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Autori & editori: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
Reprezentanti tehnici NASA: Jay Norris. Specific rights apply.
Un serviciu al: LHEA at NASA/ GSFC
& Michigan Tech. U.