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What is the Closest Planet to Earth
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Canada Goose Outlet A common question when looking at the Solar System and Earth’s place in the grand scheme of it is “which planet is closest to Earth?” Aside from satisfying a person’s general curiosity, this question is also of great importance when it comes to space exploration. And as humanity contemplates mounting manned missions to neighboring planets, it also becomes one of immense practicality. Canada Goose Outlet
If, someday, we hope to explore, settle, and colonize other worlds, which would make for the shortest trip? Invariable, the answer is Venus. Often referred to as “Earth’s Twin”, Venus has many similarities to Earth. It is a terrestrial planet, it orbits canada goose factory outlet within the Sun’s habitable zone, and it has canada goose outlet black friday an atmosphere that is believed to have once official canada goose outlet been like Earth’s. This makes Venus’ orbit goose outlet canada the least eccentric of all the planets in the Solar System. In fact, with an eccentricity of less than 0.01, its orbit is almost circular.
Earth and Venus’ orbit compared. Credit: Sky and TelescopeWhen Venus lies between Earth and the canada goose outlet jackets Sun, it experiences what is known as an inferior conjunction. It is at this point that it makes its closest approach to Earth (and that of any planet) with an average distance of 41 million km (25,476,219 mi). On average, Venus achieves an inferior conjunction with Earth every 584 days.
Canada Goose Parka And because of the decreasing eccentricity of Earth’s orbit, the minimum distances will become greater over the next tens of thousands of years. So not only is it Earth’s closest neighbor (when it makes its closest approach), but it will continue to get cozier with us as time https://www.canadagooseisverige.com goes on! Canada Goose Parka
canada goose uk outlet Venus vs. Mars: canada goose uk outlet
canada goose As canada goose outlet uk sale Earth’s other neighbor, Mars also has a “close” relationship with Earth. Orbiting canada goose outlet online our Sun at an average distance of 227,939,200 canada goose outlet reviews km (1.52 AU), Mars’ canada goose outlet highly eccentric orbit (0.0934) takes it from a distance of 206,700,000 km (1.38 AU) at perihelion to 249,200,000 km (1.666 AU) at aphelion. This makes its orbit one of the more eccentric in our Solar System, second only to Mercury canada goose
For Earth and Mars to be at their closest, both planets needs to be on the same side of the Sun, Mars needs to be at its closest distance from the Sun (perihelion), and Earth needs to be at its farthest (aphelion). This is known as opposition, a time when Mars appears as one of the brightest objects in the sky (as a red star), rivaling that of Venus or Jupiter.
uk canada goose The eccentricity in Mars’ orbit means that it is. Credit: NASABut even at this point, the distance between Mars and Earth ranges considerably. The closest approach to take place occurred back in 2003, when Earth and Mars were only 56 million km (3,4796,787 mi) apart. And this was the closest they’d been in 50,000 years. The next closest approach will take place on July 27th, 20178, when Earth and Mars will be at a distance of 57.6 million km (35.8 mi) from each other. uk canada goose
It has also been estimated that the closest theoretical approach would take place at a distance of 54.6 million km (33.9 million mi). However, no such approach has been documented in all of recorded history. One would be forced to wonder then why so much of humanity’s exploration efforts (past, present and future) are aimed at Mars. Its surface has been imaged only in recent history, thanks to the development of radar imaging. However, many robotic spacecraft and even a few landers have made the journey and discovered much about Earth’s closest neighbor.
Canada Goose Online The first attempts were made by the Soviets in canada goose outlet store the 1960s through the Venera Program. Whereas the first mission (Venera 1) failed due to loss of contact, the second (Venera 3) became the first man made object to enter the atmosphere and strike the surface of another planet (on March 1st, 1966). This was followed by the Venera 4 spacecraft, which launched on June 12th, 1967, and reached the planet roughly four months later (on October 18th). Canada Goose Online
canada goose coats The first color pictures taken of the canada goose outlet store uk surface of Venus by the Venera 13 space probe. Credit: NASANASA conducted similar missions under the Mariner program. The Mariner 2 mission, which launched on canada goose outlet new york city December 14th, 1962, became the first successful interplanetary mission and passed within 34,833km (21,644mi) of Venus’ surface. Between the late 60s and mid 70s, NASA conducted several more flybys using Mariner probes such as the Mariner 5 mission on Oct. 19th, 1967 and the Mariner 10 mission on Feb. 5th, 1974. canada goose coats
cheap canada goose uk The canada goose outlet shop Soviets launched six more Venera probes between the late 60s and 1975, and four additional missions between the late 70s and early 80s. Venera 5, Venera 6, and Venera canada goose outlet toronto factory 7 all entered Venus’ atmosphere and returned critical data to Earth. Venera 11 canada goose outlet uk and Venera 12 detected Venusian electrical storms; and and landed on the planet and took the first color photographs of the surface. The program came to a close in October 1983, when Venera 15 and Venera 16 were placed in orbit to conduct mapping of the Venusian terrain with synthetic aperture radar. cheap canada goose uk
canada goose coats on sale By the late seventies, NASA commenced the Pioneer Venus Project, which consisted of two separate missions. The first was the Pioneer Venus Orbiter, which canada goose outlet nyc inserted into an elliptical orbit around Venus (Dec. 4th, 1978) to study its atmosphere and map the surface. The second, the Pioneer Venus Multiprobe, released four probes which entered the atmosphere on Dec. 9th, 1978, returning data on its composition, winds and heat fluxes. canada goose coats on sale
canada goose black friday sale Artist’s impression of NASA’s Pioneer Venus Orbiter in orbit around Venus. Credit: NASAIn 1985, the Soviets participated in a collaborative venture with several European states to launch the Vega Program. This two spacecraft initiative was intended to take advantage of the appearance of Halley’s canada goose outlet Comet in the inner Solar System, and combine a canada goose black friday sale mission to it with a flyby of Venus. While en route to Halley on June 11th and 15th, the two Vega spacecraft dropped Venera style probes into Venus’ atmosphere to map its weather. canada goose black friday sale
NASA’s canada goose jacket outlet Magellan spacecraft was launched on May 4th, 1989, with a mission to map the surface of Venus with radar. canada goose outlet online uk In the course of its four and a canada goose outlet canada half year mission, Magellan provided the most high resolution images to date of the planet, was able to map 98% of the surface and 95% of its gravity field. In 1994, at the end of its mission, Magellan was sent to its destruction into the atmosphere of Venus to quantify its density.
Venus was observed by the Galileo and Cassini spacecraft during flybys on their respective missions to the outer planets, but Magellan was the last dedicated mission to Venus for over a decade. It was not until October of 2006 and June of 2007 that the MESSENGER probe would conduct a flyby of Venus (and collect data) in order to slow its trajectory for an canada goose outlet sale eventual orbital insertion of Mercury.
buy canada goose jacket The Venus Express, a probe designed and built by the European Space Agency, successfully assumed polar orbit around Venus on April 11th, 2006. This probe conducted a detailed study of the Venusian atmosphere and clouds, and discovered an ozone layer and a swirling double vortex at the south pole before concluding its mission in December of 2014. Since December 7th, 2015, Japan’s Akatsuki has been in a highly elliptical Venusian orbit. buy canada goose jacket
canada goose clearance Because of its hostile surface and atmospheric conditions, Venus has proven to be a tough nut to crack, despite its proximity to Earth. In spite of that, NASA, Roscosmos, and India’s ISRO all have plans for sending additional missions to Venus in the coming years to learn more about our twin planet. And as the century progresses, and if certain people get their way, we may even attempt to send human colonists there! canada goose clearance
Canada Goose Jackets We have written many articles about Earth and its closest neighbor here at Universe Today. Here’s The Planet Venus, Venus: 50 Years Since Our First Trip, And We’re Going Back, Interesting Facts About Venus, Exploring Venus By Airship, Colonizing Venus With Floating Cities, and How Do We Terraform Venus? Canada Goose Jackets
buy canada goose jacket cheap If you’d like canada goose outlet parka more info on Earth, check out NASA’s Solar System Exploration Guide on Earth. And here’s a link to NASA’s Earth Observatory. buy canada goose jacket cheap
canada goose clearance sale Astronomy Cast also has an interesting episode on the subject. Listen here, Episode 50: Venus. canada goose clearance sale
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