* 1970 – The first Earth Day is celebrated.

* Earth Day ( United States ), and its related observances:

** International Mother Earth Day ( International )

* Earth Day

Elfman cited his first time noticing film music being when he heard Bernard Hermann's score to The Day the Earth Stood Still as an eleven-year-old and being a fan of film music since then.

Earth Day Flag

That public support for environmental concerns was widespread became clear in the Earth Day demonstrations of 1970.

* 1971 – U. N. Secretary General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.

Several secular holidays are observed, such as Earth Day or, Arbor Day, or Labor Day, both internationally, and across multi-country regions, often in conjunction with organizations such as the United Nations.

* 1992 – The first World Ocean Day is celebrated, coinciding with the Earth Summit held in Rio de Janeiro, Brazil.

* 2000 – A powerful solar flare, later named the Bastille Day event, causes a geomagnetic storm on Earth.

* Equinox Earth Day ( UNO ), in the northern hemisphere, occurs on dates varying from March 19 to March 21

* 1970 – The first Earth Day proclamation is issued by Mayor of San Francisco Joseph Alioto.

* Earth Day ( International )

Within these chapters it is revealed that all persons can attain Buddhahood in this lifetime and Shakyamuni transfers the essence of the sutra to the Bodhisattvas of the Earth led by Bodhisattva Superior Practices ( Jogyo ), entrusting them with the propagation of the essence of the sutra in the Latter Day of the Law.

In early 2008, the Burnaby campus was again used for filming, this time for The Day the Earth Stood Still ( 2008 Remake ).

In 1959 the joint Soviet-Finnish film production Sampo ( titled The Day the Earth Froze when released in the United States ) adapted the Kalevala to the big screen.

Episode 422 of Mystery Science Theater 3000, produced in the 1992 – 93 season, featured The Day the Earth Froze.

The theremin was used in movie soundtracks such as Miklós Rózsa's for Spellbound and The Lost Weekend and Bernard Herrmann's for The Day the Earth Stood Still and as the theme tune for the ITV drama Midsomer Murders.

At the end of A Grand Day Out, Wallace tells Gromit to set coordinates for " 62 West Wallaby Street " as they are returning to Earth.

Other prominent games developers include Julian Gollop ( Chaos, Rebelstar, X-COM series ), Matthew Smith ( Manic Miner, Jet Set Willy ), Jon Ritman ( Match Day, Head Over Heels ), Jonathan " Joffa " Smith ( Ping Pong, Batman: The Caped Crusader, Mikie, HyperSports ), The Oliver Twins ( the Dizzy series ), Clive Townsend ( Saboteur ), Sandy White ( Ant Attack, I of the mask ), Pete Cooke ( Tau Ceti ), Mike Singleton ( The Lords of Midnight, War In Middle Earth ), and Alan Cox.

* July 14 – A powerful solar flare, later named the Bastille Day event, causes a geomagnetic storm on Earth.

* 2003 – Mars makes its closest approach to Earth in nearly 60, 000 years, passing distant.

* 1952 – Ton Scherpenzeel, Dutch keyboard player, composer, and producer ( Kayak Camel, and Earth and Fire )

An astronomical unit ( abbreviated as AU, au, a. u., or ua ) is a unit of length equal to exactly or approximately the mean Earth – Sun distance.

* 1966 – Lunar Orbiter 1 takes the first photograph of Earth from orbit around the Moon.

* 1965 – The Gemini V spacecraft returns to Earth, landing in the Atlantic ocean.

* 1970 – Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely.

The system of Chinese astrology was elaborated during the Zhou dynasty ( 1046 – 256 BC ) and flourished during the Han Dynasty ( 2nd century BC to 2nd century AD ), during which all the familiar elements of traditional Chinese culture – the Yin-Yang philosophy, theory of the 5 elements, Heaven and Earth, Confucian morality – were brought together to formalise the philosophical principles of Chinese medicine and divination, astrology and alchemy.

* 837 – Halley's Comet and Earth experienced their closest approach to one another when their separating distance equalled 0. 0342 AU ( 3. 2 million miles ).

Light-time correction does not depend on the motion of the Earth – it only depends on Earth's position at the instant when the light is observed.

The Copernican theory of the solar system – that the Earth revolved annually about the Sun – had received confirmation by the observations of Galileo and Tycho Brahe ( who, however, never accepted heliocentrism ), and the mathematical investigations of Kepler and Newton.

The conservation of angular momentum in Earth – Moon system results in the transfer of angular momentum from Earth to Moon ( due to tidal torque the Moon exerts on the Earth ).

The contents are correspondingly varied: a confession of sin and a plea to God not to maintain his anger forever ( ch. 63: 7 – 64: 11 ); a poem on the theme that God has no need of a temple because Heaven is his throne and Earth his footstool ( Isaiah 66: 1 – 2 ); verses setting out conditions for admission to the community ; complaints of sin, incompetence and paganism ; and distinctions between the " righteous " and the " sinners ", foreshadowing the categories used in much later Judaism and early Christianity.

Carbon generally has low toxicity to almost all life on Earth ; however, to some creatures it can still be toxic – for instance, carbon nanoparticles are a deadly toxins to Drosophila.

There have been attempts at categorizing this fictional group of beings, and Phillip A. Schreffler argues that by carefully scrutinizing Lovecraft's writings a workable framework emerges that outlines the entire " pantheon " – from the unreachable " Outer Ones " ( e. g. Azathoth, who apparently occupies the centre of the universe ) and " Great Old Ones " ( e. g. Cthulhu, imprisoned on Earth in the sunken city of R ' lyeh ) to the lesser castes ( the lowly slave shoggoths and the Mi-go ).

Drylands occupy approximately 40 – 41 % of Earth ’ s land area and are home to more than 2 billion people.

* 1999 – NASA launches into orbit the Terra platform carrying five Earth Observation instruments, including ASTER, CERES, MISR, MODIS and MOPITT.

* 1957 – Project Vanguard: A launchpad explosion of Vanguard TV3 thwarts the first United States attempt to launch a satellite into Earth orbit.

Nick Seymour, Barcelona, October 2007. Crowded House began recording their follow-up to Time on Earth in April 2009, at Finn's own Roundhead Studios.

After some 25 years of work, his Theory of the Earth ; or an Investigation of the Laws observable in the Composition, Dissolution, and Restoration of Land upon the Globe was read to meetings of the Royal Society of Edinburgh in two parts, the first by his friend Joseph Black on 7 March 1785, and the second by himself on 4 April 1785.

Though Hutton circulated privately a printed version of the abstract of his Theory ( Concerning the System of the Earth, its Duration, and Stability ) which he read at a meeting of the Royal Society of Edinburgh on 4 July 1785 ; the full account of his theory as read at the 7 March 1785 and 4 April 1785 meetings did not appear in print until 1788.

Abstract of a dissertation read in the Royal Society of Edinburgh, upon the seventh of March, and fourth of April, MDCCLXXXV, Concerning the System of the Earth, Its Duration, and Stability.

Dan Goldin became NASA Administrator on April 1, 1992, officially abandoning plans for near-term human exploration beyond Earth orbit with the shift towards a " faster, better, cheaper " strategy for robotic exploration.

Russian cosmonaut Yuri Gagarin became the first human to orbit the Earth aboard Vostok 1 manned spacecraft on 12 April 1961.

Columbia was successfully launched on April 12, 1981, the 20th anniversary of the first human spaceflight ( Vostok 1 ), and returned on April 14, 1981, after orbiting the Earth 36 times, landing on the dry lakebed runway at Edwards Air Force Base in California.

He was the first human to journey into outer space, when his Vostok spacecraft completed an orbit of the Earth on 12 April 1961.

* April 9 – Comet Austin, the brightest comet visible from Earth since 1975, makes its closest approach to the sun.

* April 20 – Comet Halley is visible from Earth.

The shuttle launched an observatory to study gamma rays before returning to Earth on April 11.

* April 22 – The first Earth Day is celebrated in the U. S.

* April 12 – The Space Shuttle program: Space Shuttle Columbia with NASA astronauts John Young and Robert Crippen launches on the STS-1 mission, returning to Earth on April 14.

* April 10 – Comet Halley passes approximately 5 million km from Earth – its closest ever approach to Earth.

* 5. 0 Gm — Closest approach of Comet Halley to Earth, happened on 10 April 837

* 34. 770 Mm — Minimum distance of the asteroid 99942 Apophis on April 13, 2029 from the center of Earth

* Near-Earth Asteroid 99942 Apophis will pass Earth within the orbits of geosynchronous communication satellites on Friday, April 13, 2029,

After years of legal wrangling between the Matarrese firm, Bari Council and environmental groups such as Save the Earth, the court ruled in favour of its demolition and thousands gathered on the Bari seafront in April 2006 to see the event.

The Chinese lunar probe Chang ' e 2 departed from the Sun – Earth L2 point on April 15, 2012 and is en-route to the asteroid.

* April 13 – Kwangmyŏngsŏng-3, a North Korean Earth observation satellite, explodes shortly after launch.

He attended the first Earth Day event in Manhattan on April 22, 1970.