Science Questions
Explore questions in the Science category that you can ask Spark.E!
The minimum speed required to launch an object so that it remains the same distance above the ground and just falls around the Earth is called:- the Keplerian speed- Newtonian orbit velocity- the speed of sound (or Mach 1)- circular satellite velocity- perigee speed
The star that is currently closest to the North Celestial Pole is:- Polaris- Arcturus- Rigel- Betelgeuse- Tom Cruise
What problem has precession caused for many of the schools of astrology?- Because of precession, the constellations are no longer lined up with the astrological signs that are named after them; since astrology was set up, the two have slipped one sign apart- Because of precession, some of the planets that astrologers use to construct horoscopes no longer orbit the Sun- Because of precession, the stars making up the constellation figures (like Leo the Lion) have moved so far apart, they no longer look like their names- You can't fool me, precession has not affected anything about astrology- Because of precession, Mars no longer shows retrograde motion and so all the horoscopes done using Mars turn out to be wrong
In an ellipse, the ratio of the distance between the foci and the length of the major axis is called:- Newton's ratio- the astronomical unit- perihelion- the semi-major axis- the eccentricity
Earth's axis is tilted towards the sun. And the sun's rays are more direct throughout the day.
the Earth's axis starts to tilt towards the sun. Because of the Earth's position, the average daily temperatures start to rise, and the days become warmer. In spring, the days also get longer.
Mars takes........days to rotate on its axis
Earth's axis is starting to tilt away from the sun. And the sun's rays are getting more indirect.
When the sun, moon and Earth are all lined up, the sun's tidal force works with the moon's tidal force
an eclipse in which the moon appears darkened as it passes into the earth's shadow.
the state or period of an eclipse when light from the eclipsed body is totally obscured:
The Moon takes...........days to rotate on its axis
The part of the Earth closest and furthest from the moon
Mars takes.......days to complete a full revolution around the sun.
Earth takes......days to complete a full revolution around the sun.
a period of moderate tides when the sun and moon are at right angles to each other. (The moon has a greater affect than the sun because it is closer)
The part that is not closest or furthest from the moon (in the middle of both high tides)
The Moon takes.......days to completer a full revolution around Earth
refers the object's orbital motion around another object.
the action of rotating around an axis or center.