N.J. Night Sky: Mercury returns



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The planet Mercury has returned to the evening sky, but it will be very difficult to spot. Given the position of Mercury, it is not very high in the sky. At 18:15, it is only about 4 degrees above the horizon. Jupiter is here too, but a little lower than Mercury.

If you want to see them, you will need a very good view of the southwest sky. Start watching around 6 pm Both planets are bright enough to be seen at the naked eye, but a pair of binoculars will help you. Jupiter is the brightest of the two. Mercury is in the constellation Scorpio, which is mostly under the horizon, but you may notice the bright red star Antares to the left of Mercury. Jupiter is in the constellation of Libra.

Saturn is here too. It is still close to the star teapot shape of the Sagittarius constellation. Saturn follows Jupiter, so if you want to look at his beautiful rings, take a look at it before it gets too low.

End of the day

Tomorrow morning, DST is coming to an end. We officially release our clocks at one o'clock, Sunday at 14 hours.

Sunset on White Meadow Lake in Rockaway, NJ. The shorter days and the earlier sunsets are caused by the seasons and not by the summer time.

Twice a year, the same arguments come back repeatedly about the summer time. This time, Californians will vote on proposal 7, which would give the legislature the power to adopt a DST summer time all year long with the federal government's approval.

Whether you live in Newark or Los Angeles, if you stay at summer time all year round, the sun goes down before 6 pm. In northern and mid-latitude states, sunrise does not arrive until after 8 am (for example, at Newark in mid-December it is 8:13). In places at the limits of time zones, it is even worse. In Detroit, for example, sunrise will not happen before 9 o'clock. Shorter days are caused by the seasons. No legislation can change that.

Kevin D. Conod is responsible for the planetarium and astronomer at the Dreyfuss Planetarium at the Newark Museum. For updates on the night sky, call Newark Skyline at (973) 596-6529.

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