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This comprehensive list gathers every Medium Explorer Mission — mid-class space missions and satellites launched to study Earth, the Sun, and deep space. Whether you’re a space enthusiast or researcher, find mission names, objectives, launch dates, and concise descriptions in one place to explore their history and discoveries.
Explore the 10 most likely places to find alien life, from icy moons with subsurface oceans and methane-rich worlds to temperate exoplanets and Mars. This hub explains why each location is a priority for scientists and links to detailed posts on Europa, Enceladus, Titan, TRAPPIST-1 planets and more for curious readers and students of astrobiology.
Looking for Observatories in South Dakota? This complete list profiles all four state observatories, providing city locations, precise latitude/longitude coordinates, telescope aperture in millimeters and clear access notes for visitors and researchers so you can plan stargazing trips, public viewing nights, or compare facilities across South Dakota.
From canals on Mars to the steady-state universe, these six space theories once convinced scientists and the public — then collapsed under new evidence. This hub summarizes each discredited idea, why it was accepted, the observations that overturned it, and links to in-depth posts so you can explore the full stories behind these surprising scientific reversals.
A concise list of all Israeli Astronauts, detailing each person’s birth year, mission year(s), and role. Read short profiles of Ilan Ramon and Eytan Stibbe, their missions, and their contributions to space exploration.
Curious about our nearest large galactic neighbor? This hub post, “10 Facts About the Andromeda Galaxy”, gives clear, engaging facts about Andromeda’s size, distance, star types, black hole, visible features, and its predicted collision with the Milky Way. Each fact links to in-depth articles for readers who want technical detail, images, or timelines — perfect for students, space enthusiasts, and casual readers.
An authoritative, illustrated list of all major missions to Jupiter’s moon Europa. This post catalogs ten key missions with agencies, mission types, and dates to help enthusiasts and researchers compare objectives, timelines, and the missions studying Europa’s icy shell and subsurface ocean.
Explore the 10 most fascinating exoplanets ever discovered in this illustrated hub post — from scorching hot Jupiters and rogue planets to potential water worlds. Each listing links to a dedicated deep-dive with discovery stories, science, and vivid images, perfect for curious readers, amateur astronomers, and anyone captivated by exotic worlds beyond our solar system.
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About Little Astronomy
Hi! I’m Elena. I’m a journalist who has been into astronomy since I was a kid. I founded this site to share tips and facts about astronomy and telescopes.If you are new around here and you want to get started with the hobby, check out our astronomy for beginners guide or the recommended gear page.
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