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Around 13 times per century, Mercury passes between Earth and the sun in a rare astronomical event known as a planetary transit. Mercury orbits in a plane that is tilted from Earth’s orbit, moving above or below our line of sight to the sun.
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Around 13 times per century, Mercury passes between Earth and the sun in a rare astronomical event known as a planetary transit. Mercury orbits in a plane that is tilted from Earth’s orbit, moving above or below our line of sight to the sun.
Ver en NASA ↗Around 13 times per century, Mercury passes between Earth and the sun in a rare astronomical event known as a planetary transit. Mercury orbits in a plane that is tilted from Earth’s orbit, moving above or below our line of sight to the sun.
Ver en NASA ↗In just seven short years, planet Mercury will have a visitor from Earth: an advanced spacecraft called MESSENGER. The name stands for MErcury Surface, Space ENvironment, Geochemistry and Ranging, reflective of the mission's wide range of science goals. MESSE…
Ver en NASA ↗When the Messenger spacecraft arrives on-orbit around Mercury in 2011, it will be the planet's first Earthly visitor in over 36 years. Our last trip to the planet was in 1975 with the flight of the Mariner 10 spacecraft. Launched in November of 1973, the cr…
Ver en NASA ↗The former Mercury Mission Control Center building -- long ravaged by time and the elements -- was demolished. As pieces of the old building were eaten away, more than fifty years of space history came to completion. Yet despite the demise of the building,…
Ver en NASA ↗What are some skywatching highlights in January 2021? Mark Earth's closest approach to the Sun for the year, called perihelion, at the start of the month, then spot a couple of elusive planets: Uranus on Jan. 20th and Mercury throughout the second half of the…
Ver en NASA ↗Highlights of the November sky include how to watch as Mercury transits the Sun on Nov. 11, plus how to observe the regular dimming and brightening of the "Demon star," Algol, with your own eyes.
Ver en NASA ↗What are some skywatching highlights in November 2025? Mars and Mercury have a cozy conjunction, Leonid meteor showers delight, and Saturn's rings are…disappearing? Additional information about topics covered in this episode of What's Up, along with still i…
Ver en NASA ↗Mercury shines at its brightest for the year, the Lyrid meteor shower peaks, and a bright new comet makes an appearance in April’s night sky. Catch Mercury low in the eastern sky before sunrise on April 3 at its greatest elongation. Then look up late April 2…
Ver en NASA ↗The Rovers are making unbelievable discoveries on Mars, Cassini is sending back amazing pictures from Saturn, but NASA's planetary exploration program is just getting started. On August 2nd, MESSENGER will head for Mercury. MESSENGER is very similar to the …
Ver en NASA ↗What are some skywatching highlights in September 2021? Mercury provides a challenging target to spot in the fading light after sunset at the beginning of the month. Enjoy spotting two "fast" stars all month long: speedy Arcturus and fast-spinning Altair.
Ver en NASA ↗A Tunnel Through Time - The History of NASA's Altitude Wind Tunnel
Ver en NASA ↗What are some skywatching highlights in March 2025? March has great opportunities to spy fast-moving Mercury, stay up late to enjoy a total eclipse of the Moon, and learn about the dark side of the Moon! Additional information about topics covered in this e…
Ver en NASA ↗What are some skywatching highlights in April 2023? Mercury reaches its highest in the evening sky for the year for Northern Hemisphere observers. The Moon makes its monthly rounds to pair up beautifully with several planets. And viewing conditions may be ide…
Ver en NASA ↗What are some skywatching highlights in May 2024? Mars and Saturn tussle with the Moon, Mercury makes a brief a.m. appearance, East Coasters can see red giant star Antares emerge from behind the Moon, and the eta Aquariid meteors peak on May 6th. Additional…
Ver en NASA ↗What are some skywatching highlights in March 2024? Jupiter plows through the Pleiades on March 14, a chance to spot Mercury at month's end along with a subtle lunar eclipse, and a comet worth keeping an eye on! Additional information about topics covered i…
Ver en NASA ↗John H. Glenn, Jr., 100th Birthday, B-Roll
Ver en NASA ↗In the annals of American spaceflight history, day one was 60 years ago today. On May 5, 1961, U.S. Navy commander Alan Shepard was the first American ever to fly in space, piloting the Mercury capsule Freedom 7 into the pages of history. Enjoy the scenes o…
Ver en NASA ↗What are some skywatching highlights in February 2022? Jupiter is the lone planet lingering in twilight skies after sunset in February. It exits the evening sky this month leaving no bright planets there until August (save for a brief appearance from Mercury…
Ver en NASA ↗What is Psyche’s story? One scenario is that long ago, a planetesimal that had separated internally into a rocky mantle and iron core suffered violent impacts that stripped away its mantle, leaving only core material. The mission to Psyche may be able to tell…
Ver en NASA ↗Contenido y metadatos proporcionados por la NASA Image and Video Library.