Hello, space enthusiasts! 👋 Are you ready to embark on a journey exploring the cosmos with me? In this blog, we’ll be covering the latest exoplanet discoveries and exploration efforts! 🚀

Exoplanets: What are they? 🪐

Exoplanets, sometimes referred to as “extrasolar planets,” are planets that orbit stars outside of our Solar System. 🌟 They were first discovered in the 1990s, and since then, scientists have discovered thousands of exoplanets using various methods, including the transit method, radial velocity method, and direct imaging. 🧬

One of the exciting things about exoplanets is that they can vary greatly in size, composition, and distance from their host star. Some are even in their star’s “habitable zone,” where it’s possible for liquid water to exist on the planet’s surface, making them potential candidates for harboring life. 🌱

A depiction of an exoplanet orbiting its host star

Latest Discoveries 🌠

The search for exoplanets never stops, and scientists are constantly making new discoveries and pushing the boundaries of what we know about the universe. Here are some of the latest exoplanet discoveries!

TOI-270

TOI-270 is a system of three planets discovered by NASA’s Transiting Exoplanet Survey Satellite (TESS) in 2019. The planets are all less than twice the size of Earth and are located relatively close to their host star. One of the planets, TOI-270 d, is located in the habitable zone and has a mass similar to Earth’s, making it an exciting target for future research. 🌎

An artist's rendering of the TOI-270 system

K2-288Bb

K2-288Bb is a “sub-Neptune” planet discovered in 2019 by an undergraduate student named Adina Feinstein who was working on an internship at NASA. The planet is located within its star’s habitable zone and is approximately twice the size of Earth. It’s also part of a two-planet system, with the other planet being a larger Neptune-like planet. 👩‍🔬

An illustration of the K2-288 system

GJ 357 d

GJ 357 d is a super-Earth exoplanet discovered in 2019 by NASA’s TESS. It’s located in the habitable zone of its star and has a mass around 6.1 times that of Earth. The planet’s atmosphere is still being studied, but it could potentially have a thick, hydrogen-rich atmosphere. 🪐

An artist's concept of GJ 357 d

Exploration Efforts 🚀

Exploring the cosmos and discovering new exoplanets is a massive undertaking that requires a lot of resources and technological advancements. Here are some of the latest exploration efforts!

The James Webb Space Telescope

The James Webb Space Telescope (JWST) is an upcoming space telescope set to launch in 2021. It’s designed to study a range of astronomical objects, including exoplanets. JWST will have a much larger mirror than any other space telescope, allowing it to detect and analyze the atmospheres of exoplanets in greater detail than ever before. 🔭

An artist's rendering of the JWST

TESS

NASA’s TESS (Transiting Exoplanet Survey Satellite) launched in 2018 and has since discovered thousands of exoplanet candidates. It uses the transit method to detect exoplanets, which involves measuring the slight dip in a star’s brightness caused by a planet passing in front of it. TESS’s main goal is to find exoplanets that are relatively close to Earth, making them easier to study in-depth in the future. 🛰️

An image of the TESS satellite

The Habitable Exoplanet Observatory

The Habitable Exoplanet Observatory (HabEx) is a proposed space telescope that would be used to search for and study habitable exoplanets. It would be able to detect and analyze the atmospheres of exoplanets in detail and could potentially determine if they contain signs of life. HabEx is still in the planning stages, but if funded and developed, it could further revolutionize our understanding of the universe. 🌟

An artist's rendering of the HabEx telescope

Final Thoughts 💭

The search for exoplanets and exploration of the cosmos is an exciting field that is constantly advancing and evolving. As we continue to discover more exoplanets and develop new technologies to study them, who knows what other amazing discoveries we’ll make! 🚀

Thanks for joining me on this journey through the cosmos! 🌌

An image of a galaxy in the night sky