mayo 23, 2024

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El planeta enano Ceres en su punto más brillante

El planeta enano Ceres en su punto más brillante

Una imagen del planeta enano Ceres basada en observaciones realizadas por la nave espacial Dawn de la NASA. Este mes, el planeta enano Ceres está en su punto más brillante, lo que significa que puedes buscarlo con binoculares o un telescopio pequeño. Crédito: NASA

¿Cuáles son algunos de los aspectos más destacados de la observación del cielo en marzo de 2023? Después de que se acercaron al cielo el 1 de marzo,[{» attribute=»»>Venus and Jupiter go their separate ways. Venus climbs higher each evening, while Jupiter exists in the morning sky at month’s end. And those with binoculars or a small telescope can seek out dwarf planet Ceres, which is at its brightest this month.

Venus y Júpiter se separan tras su encuentro del 1 de marzo, mientras que Ceres llega a la oposición, digno de observar con binoculares.

  • durante todo el mes Júpiter y Venus se pueden ver en el oeste después de la puesta del sol. Los dos planetas comenzaron el mes muy juntos el 1 de marzo, pero se alejan más cada noche a lo largo del mes.
  • durante todo el mes El planeta enano Ceres está en oposición en marzo, lo que significa que es visible toda la noche y es más brillante durante el año. Puedes encontrarlo con binoculares o un pequeño telescopio, con la constelación de Leo como guía.
  • Él camina 7 – luna llena
  • Él camina 21 – Luna Nueva
  • Él camina 23 – Mire hacia el oeste para encontrar la luna en una hermosa y delgada media luna esta tarde después de la puesta del sol, colgando debajo del brillante planeta Venus.
  • Él camina 24 – Después de la puesta del sol, busque la luna en el oeste con una hermosa media luna delgada que se cierne sobre el brillante planeta Venus.
  • Él camina 25 – La luna creciente se sienta junto al brillante cúmulo estelar de las Pléyades esta noche

Explora Ceres en los laboratorios

El planeta enano Ceres aparece en estos diseños de colores falsos, que resaltan las diferencias en los materiales de la superficie. Crédito: NASA/JPL

Ceres, el objeto más grande del cinturón de asteroides entre ellos.[{» attribute=»»>Mars and Jupiter, is the sole dwarf planet situated in the inner solar system. Giuseppe Piazzi first detected it in 1801, making it the first asteroid belt member to be found. In 2015, NASA’s Dawn spacecraft visited Ceres, making it the first dwarf planet to be visited by a spacecraft.

Regarded as an asteroid for many years, Ceres is considerably more massive and distinct from its neighboring rocky bodies. As a result, scientists designated it a dwarf planet in 2006. Even though it represents 25% of the asteroid belt’s total mass, it is dwarfed by Pluto, which is 14 times more massive.

The Roman goddess of corn and harvests, Ceres, lends her name to this celestial body. The word cereal is derived from the same root.


Video Transcript

What’s Up for March? Venus climbs high while Jupiter dives sunward, and the little planet that shares its namesake with your breakfast cereal.

Venus and Jupiter begin the month very close together in the evening sky, following their close conjunction on March 1st. They quickly go their separate ways, though. Venus climbs higher in the sky each night for the next couple of months, while Jupiter dives after the Sun. The giant planet appears lower in the sky each night through the month, making its exit as an evening object. It’ll reappear in May, in the pre-dawn sky, with Saturn.

Jupiter Sky Chart March 2023

Jupiter appears lower in the sky each night through the month of March 2023, making its exit as an evening object. Credit: NASA/JPL-Caltech

On the 23rd and 24th, in the couple of hours after sunset, you’ll find the Moon as a beautifully slim crescent hanging just below, and the next night above, blazing bright Venus. Then, on the 25th, the Moon continues upward in the sky, landing right next to the brilliant Pleiades star cluster that night.

With March bringing the arrival of spring in the Northern Hemisphere and fall in the Southern Hemisphere, it’s a time for both planting or harvesting crops, depending on where you live. So it’s perhaps a fitting time to try and spot the planet named for a mythical goddess of agriculture, grains, and fertile lands. (In addition to being the origin of the word “cereal.”)

That’s dwarf planet Ceres. This month it’s at opposition, meaning it’s directly on the opposite side of Earth from the Sun. This is when a planet is around its shortest distance from Earth, making this the best time to have a go at observing it when it’s at its brightest.

Ceres Size vs Moon

Although the dwarf planet Ceres is the largest object in the main asteroid belt between Mars and Jupiter, it’s still far smaller than our own Moon. Credit: NASA/JPL-Caltech

Ceres is the largest object in the main asteroid belt between Mars and Jupiter. Still it’s only about 600 miles wide – far smaller than our own Moon. Its dusty surface is peppered with impact craters, with bright salt deposits here and there, that hint at the possibility of slushy, briny ice beneath. In fact, NASA’s Dawn spacecraft found that Ceres could be up to one-quarter water ice on the inside.

Now, Ceres is too faint to see with the unaided eye, so to locate it in the March sky, you’ll need binoculars or a small telescope. Find the lion constellation Leo in the southeast after around 9 pm. The bright, bluish-white star Regulus (the lion’s heart) should catch your eye first. Then look eastward about 25 degrees to find Denebola, which represents the lion’s tail. From there Ceres should be 8 or 9 degrees farther east from Denebola. It appears as a faint, star-like point of light – which is why, when Ceres and objects like it were first discovered in the early 19th century, they were called “asteroids,” which means “starlike.”

Ceres Sky Chart March 2023

Ceres’ position in the sky during March 2023. Credit: NASA/JPL-Caltech

Since 2006, Ceres has been classified as a dwarf planet – along with other diminutive worlds in our solar system including Pluto, Eris, Haumea, and Makemake. Wherever you land on the topic of “planet vs. dwarf planet” -status for worlds like Ceres and Pluto, what’s really important to remember is that the way we think about different families of objects in our solar system has evolved over time, and likely will continue to evolve as we explore and learn more about them. So here’s hoping you try your hand at spotting Ceres as you explore the skies above your home planet this month.

Here are the phases of the Moon for March.

Moon Phases March 2023

The phases of the Moon for March 2023. Credit: NASA/JPL-Caltech

Stay up to date with all of NASA’s missions to explore the solar system and beyond at nasa.gov. I’m Preston Dyches from NASA’s Jet Propulsion Laboratory, and that’s What’s Up for this month.

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