Hello steemers,
I'm back again with some facts about our closest planets. hyli
V. Maps that show the solar system need to be updated if they were published before 1979. The reason: Pluto is no longer the most distant planet from the sun; Neptun now is. In its 248.8-year orbital revolution around the sun, Pluto crossed Neptune's orbit in December 1978. Neptune and Pluto resume their more familiar positions in March 1999 as Pluto journeys to its farthest point from the sun, over 8.1 bilion km away.
IV. On the surface of Mars there are some four times as many craters as on our moon.
III. The planet Neptune was discovered by mathematics. Because te planet Uranus did not move according to theory, there had to be a gravitational pull that was not being taken into account. Two men, John C. Adams in England and Urbain J. J. Leverrier in France, calculated where a planet ought to be, to account for Uranus's movement. An astronomer, John G. Galle, in Berlin, on september 23, 1846, looked at the spot they had indicated and discovered Neptune.
II. The rings of Staturn are not solid, flat discs as they appear to be in illustrations. They are made up of billions of tiny particles, probably ice-coated rocks. Each ring circles Saturn at a different speed. The rings are only about 20 km thick. In 1987 rings were unexpedtedly discovered around Uranus and Jupiter.
I. Voyager
a) In 2012, Voyager 1 became the first spacecraft to travel beyond the limits of interstellar space and crossed through the heliopause.
b) The Voyager 1 Space Probe is one of the fasted moving man-made objects in space! It travels at a little more than 38,000 miles per hour!
c) The Voyager 1 carries a golden record with song mixes, a speech from the President of the United States, a baby cry and even music from Mozart and other masters. This is a gold-plated disc created with a unique purpose: to be a useful device if the Voyager 1 Space Probe is ever found by other intelligent beings from other planetary system.
Talk about the Van Allen Belt and how Man hasn’t figured out how to travel through it safely yet. That would be nice.
Very interesting facts!
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