zooniverse.org 的前十大競爭對手

scistarter.org

SciStarter connects people to citizen science projects, citizen scientists, and resources. Real science we can do together.

inaturalist.org

Donate now to show your support!

researchmatch.org

researchmatch helps you find a clinical trial or research study near you, or across the country, by matching you with researchers from leading medical research institutions. whether you are a healthy volunteer or have a health condition, researchmatch connects you to research opportunities so you can make a difference and advance scientific discoveries by participating in research studies, clinical trials, and survey research.

astro.umaine.edu

Our center provides engaging astronomy and science experiences to all ages. Click on the images below to learn more about scheduling your school field trip, book a private show or event, or celebrate a birthday in a stellar way! If your school group is unable to visit the Versant Power Astronomy Center in person, please […]

n2yo.com

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heavens-above.com

satellite predictions and other astronomical data customised for your location.

naturadb.de

Mit NaturaDB findest du die besten Pflanzen für jeden Anlass! Entdecke Optionen, die deinem Projekt Leben einhauchen.

sunrise-sunset.org

Get accurate sunrise and sunset times for today or any date! Ideal for planning events, capturing stunning photos, or simply enjoying nature's display.