#spacescience

[itsfullofstars]

SOURCE: europeanspaceagency https://flic.kr/p/2sbeRGK

[jameswebb-discoveries]

For the first time, JWST reveals the closest known interacting dwarf-dwarf galaxy pair, NGC 4490 and NGC 4485 (Arp 269), connected by a dramatic 50,000-light-year tidal bridge of gas and newborn stars. Located just 24 million light-years away, this system is the best local laboratory we have for understanding how small galaxies merged and grew in the early Universe.Thanks to Webb’s NIRCam and MIRI instruments, we can now resolve individual star clusters along the bridge and confirm two distinct starburst episodes – one 200 million years ago during closest approach, and a second intense burst only 30 million years ago.These observations, part of the FEAST program (PI: Angela Adamo), are already reshaping our models of galaxy assembly and extreme stellar feedback. Learn more here.

[sciencespectrum]

How do astrophysics and cosmology study the universe?

The universe is vast and full of mysteries. Two important scientific fields that help us understand it are astrophysics and cosmology. Although these fields are closely related, they focus on different aspects of the universe and work together to explain how it works. 🌠

Astrophysics studies the physical nature of objects in space. Scientists in this field study stars, planets, galaxies, nebulae, and black holes. They use the laws of physics, such as gravity, motion, energy, and nuclear processes, to understand how these objects form, evolve, and interact with each other. For example, astrophysicists study how stars generate energy through nuclear fusion and how gravitational forces shape galaxies. ⭐🪐

Cosmology, on the other hand, looks at the universe on the largest possible scale. Rather than focusing on individual objects, cosmologists study the origin, structure, and evolution of the entire universe. A key concept in cosmology is the Big Bang theory, which states that the universe began in an extremely hot and dense state about 13.8 billion years ago and has been expanding ever since. 🌌💥

Scientists in both fields rely on powerful telescopes, satellites, and advanced computer simulations to observe distant celestial objects and analyze vast amounts of data. By studying light, radiation, and celestial structures, they can learn about the temperature, composition, and motion of objects billions of light-years away. 🔭🛰️

Together, astrophysics and cosmology help humanity answer some of the most profound questions about existence. They reveal how stars and galaxies form, how the universe has evolved over billions of years, and how it might change in the future. 🚀✨

[juniedahmed]

Space science is the scientific study of space, encompassing fields like astronomy, astrophysics, planetary science, and astrobiology, to understand celestial bodies and natural phenomena in outer space and the space environment. It utilizes technology for space exploration, communication, and observation of Earth and the universe, providing knowledge in areas such as orbital mechanics, space weather, and remote sensing. 

Key Aspects of Space Science

Broad Scope:Space science is an umbrella term covering many disciplines, including astronomy, astrophysics, and the study of our solar system. 

Space Exploration:It involves studying natural phenomena, physical bodies, and the space environment using human-controlled instruments and technologies. 

Interdisciplinary Nature:Space science integrates knowledge from physics, engineering, and mathematics to solve problems related to space and its surrounding environment. 

Technological Applications:Technologies developed through space science, such as satellite communications, navigation systems (GPS), and remote sensing, provide societal benefits on Earth. 

Major Fields of Study

Planetary Science:The study of planets, moons, and other objects within our solar system. 

Astronomy and Astrophysics:The study of celestial bodies, their formation, evolution, and fundamental physics, according to ScienceDirect. 

Space Medicine:Research into the effects of space on human biology.

Astrobiology:The study of the potential for life beyond Earth. 

Space Weather:The monitoring and forecasting of conditions in the space environment, including solar activity and its impact on Earth's atmosphere. 

Goals of Space Science

Understanding the Universe:To answer fundamental questions about the origin and evolution of the Earth and the universe. 

Discovering Life:To search for the origins of life and determine if life exists elsewhere in the universe. 

Advancing Technology:To develop and improve technologies used for space exploration and observation. 

[whencyclopedia]

Throughout history, women in science have made groundbreaking discoveries, often pushing the boundaries of knowledge despite being overlooked and underrecognized. Many of their contributions have reshaped entire fields, from mathematics and physics to genetics and space exploration. Despite facing societal barriers, these extraordinary women persisted in their pursuit of discovery, fundamentally...

[futurescoops]

James Webb Space Telescope Finds an Early Universe Galaxy Collision No One Expected

Nemes Laszlo/Science Photo Library Astronomers at Texas A&M University have discovered a rare, tightly packed collision of galaxies in the early universe, suggesting that galaxies were interact…

[luvloveunity]

The crew is here!!!😊😁😃😎😍

[maive-the-sheep]

Small pet peeve.

Despising when people promote the belief that space is "cold" so would solve heating issues with electronics.

There is barely any atoms in space, meaning most heat lost is through radiation. Not conduction/convention. Which thermal radiation is much slower cool especially when you have other things affecting it, like stars thermal radiation.

Meaning space suits have to have complicated cooling system to prevent heatstroke

And space craft have to have complicated cooling systems...to prevent their parts melting.

People produce heat, electronics produce heat. Space sucks at cooling.

You have an easier time cooling in any desert

Space is not "cold" space...is space.