#Esa

S.v. N.Sönmeznsonmez84
2025-10-10

ESA'dan Mars üzerinde sanal uçuş videosu! 🚀 Mars Express verileriyle hazırlanan bu büyüleyici görüntüler, Kızıl Gezegen'i hiç bu kadar detaylı görmediğinizi hissettirecek. Uzay keşiflerinde yeni bir pencere açılıyor!

🚩

2025-10-10

ArianeGroup CEO Poached by French Train Maker - European Spaceflight

sh.itjust.works/post/47644464

2025-10-10

2025 October 10

50 Light-years to 51 Pegasi
* Image Credit & Copyright: José Rodrigues
joserodrigues.space/

Explanation:
It's only 50 light-years to 51 Pegasi. That star's position is indicated in this snapshot from August 2025, taken on a night with mostly brighter stars visible above the dome at Observatoire de Haute-Provence in France. Thirty years ago, in October of 1995, astronomers Michel Mayor and Didier Queloz announced a profound discovery made at the observatory. Using a precise spectrograph they had detected a planet orbiting 51 Peg, the first known exoplanet orbiting a sun-like star. Mayor and Queloz had used the spectrograph to measure changes in the star's radial velocity, a regular wobble caused by the gravitational tug of the orbiting planet. Designated 51 Pegasi b, the planet was determined to have a mass at least half of Jupiter's mass and an orbital period of 4.2 days. That made the exoplanet much closer to its parent star than Mercury is to the Sun. Their discovery was quickly confirmed and Mayor and Queloz were ultimately awarded the Nobel Prize in physics in 2019. Now recognized as the prototype for the class of exoplanets fondly known as hot Jupiters, 51 Pegasi b was formally named Dimidium, Latin for half, in 2015. Since its discovery 30 years ago, over 6,000 exoplanets have been found.
ui.adsabs.harvard.edu/abs/1995
planetary.org/articles/color-s

arxiv.org/abs/1801.06117
earthsky.org/space/this-date-i

3D (INTERACTIVE):
eyes.nasa.gov/apps/exo/#/plane

apod.nasa.gov/apod/ap251010.ht

#space #exoplanets #astrophotography #photography #science #astronomy #tech #NASA #ESA #education #apod

2025 October 10

50 Light-years to 51 Pegasi
 * Image Credit & Copyright: José Rodrigues

Explanation: 
It's only 50 light-years to 51 Pegasi. That star's position is indicated in this snapshot from August 2025, taken on a night with mostly brighter stars visible above the dome at Observatoire de Haute-Provence in France. Thirty years ago, in October of 1995, astronomers Michel Mayor and Didier Queloz announced a profound discovery made at the observatory. Using a precise spectrograph they had detected a planet orbiting 51 Peg, the first known exoplanet orbiting a sun-like star. Mayor and Queloz had used the spectrograph to measure changes in the star's radial velocity, a regular wobble caused by the gravitational tug of the orbiting planet. Designated 51 Pegasi b, the planet was determined to have a mass at least half of Jupiter's mass and an orbital period of 4.2 days. That made the exoplanet much closer to its parent star than Mercury is to the Sun. Their discovery was quickly confirmed and Mayor and Queloz were ultimately awarded the Nobel Prize in physics in 2019. Now recognized as the prototype for the class of exoplanets fondly known as hot Jupiters, 51 Pegasi b was formally named Dimidium, Latin for half, in 2015. Since its discovery 30 years ago, over 6,000 exoplanets have been found. 

Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
NASA Official: Amber Straughn Specific rights apply.

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