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Venus rises heliacaly when reaching arcus visionis between 5.3 and 6.0 degrees.
(Arcus visionis is the altitude of the Sun below horizon when Venus is exactly on the horizon).
Because Venus is bright and its brightness is stable, the heliacal rise of Venus can be computed easily. Something that cannot be said for the other planets and stars. The last systematic (and published) observations of heliacal risings were made 2000 years ago in Mesopotamia!
There are several theoretical algorithms for computing the heliacal phenomena, but none of them is reliable because of the lack of observations.
This is soon to be changed.
More on the heliacal phenomena, their computation and real first-hand observations can be found by clicking the 'Related link' below.
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∙ 12y ago
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Which planet is rising and shining as like as moon?
Venus or neptune
Does Venus' have any active volcanos?
Venus currently has some active volcanoes with lava flows, but the vast majority are inactive, dormant, or extinct. Venus does not have plate movement, which causes volcanoes on Earth. The driving force is likely heat rising from hot spots in the lower crust or upper mantle, as is seen in some volcanic seamounts on Earth.
What is Venus rate of revolution?
Venus rotates (with respect to distant stars) on its axis once every 243 Earth days, and it completes an orbit around the Sun once every 224,7 Earth days. So, the Venusian day is longer than the Venusian year! For an observer on the surface of Venus it would take about 116,75 Earth days with the Sun rising in the West and setting in the East.
What is the 2nd planet from the sun?
If you are referring to the second planet from the sun, then the answer would be Venus.
Are there storms on the planet Venus'?
I think there are no storms in Venus
When was Venus Rising created?
Venus Rising was created in 1995.
What actors and actresses appeared in Heliacal - 2012?
The cast of Heliacal - 2012 includes: Ryan Sirois
What are the ratings and certificates for Venus Rising - 1995?
Venus Rising - 1995 is rated/received certificates of: Portugal:M/16 USA:R
What are adjectives for Helios?
Heliacal
What are the release dates for Exosquad - 1993 Venus Rising 2-15?
Exosquad - 1993 Venus Rising 2-15 was released on: USA: 1994
What means relating to the sun?
heliacal
Which planet is rising and shining as like as moon?
Venus or neptune
A five letter word that has to do with the sun?
Light, solar.
When do you have to get up to see Venus?
At the moment 3 august 2009, Venus should be rising at 6am in the east (1 hour earlier if you have daylight savings time)
What are some movie titles containing the word rising?
Hannibal Rising (2007), Rising Sun (1993), Mercury Rising (1998), Dark Rising (2007), Favela Rising (2005), Deep Rising (1998), Blood Moon Rising (2009), Dracula Rising (1993), Venus Rising (1995), Serpent Rising (2009), Valhalla Rising (2009), Black Moon Rising (1986), Dark Water Rising (2006), Dead Moon Rising (2007)...
Is Venus the first starplanet to come up at night?
Different planet rise first at different times. Venus is always close to the sun, so it either rises just before sunrise or just after sunset. Currently (August 2009) it is rising before sunrise, but Jupiter is visible throughout the night and Mars is rising before Venus too.
A star rising before dawn?
This bright object is likely the planet Venus, known as the "Morning Star" when it appears in the eastern sky before sunrise. Venus is often one of the brightest objects in the sky and is easily visible during the predawn hours.
