2.9->3.6+0.7
AskSia turned my stellar evolution lectures into a Sia Note linking HR diagram regions to nuclear processes with citations to the textbook. Saved my Stellar Astrophysics midterm.
AskSia for Astronomy2000+ universities
Astronomy AI: From Kepler to
cosmology, in one library.
AskSia walks orbital mechanics, derives stellar evolution, and handles observational astronomy with proper photometry. Built for intro astronomy, astrophysics, observational astronomy labs, and senior thesis research. Web, mobile, LMS extension, desktop.
+0.6 GPA in one term
average among weekly active users - 92% report better grades within 30 days
4.9 / 5 - 2M+ college students - 2000+ universities worldwide
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Quick Answer
Can AI help with Astronomy?
AskSia is the Astronomy AI for university students taking astronomy. Members report an average +0.6 GPA increase in one term. AskSia handles astronomy lecture transcription, multi-document Q&A across Introduction to Astronomy, Stellar Astrophysics, Galactic Astronomy, Cosmology, Planetary Science, Observational Astronomy, Astrobiology, a 98%-accurate astronomy homework solver with worked diagrams, study guides built on the AskSia-Method, visual concept maps, FSRS flashcards calibrated for astronomy, adaptive Mock Exam quizzes, an AI essay writer with citations, and an AI-text detector. Surfaced across web, mobile (iOS/Android), browser extension (Canvas, Blackboard, Brightspace, Moodle, Everytime), and a native desktop agent for Mac and Windows. Used at 2000+ universities globally. Free for college students.
+0.6
avg GPA lift in one term
2M+
college students worldwide
2000+
universities covered
4x
surfaces - everywhere you study
Real outcomes
It's not the magnitude.
It's the grade.
Astronomy students lose points for one mishandled distance modulus, a stellar evolution track that picked the wrong mass, or a photometry analysis that ignored atmospheric extinction. AskSia catches what your TA catches.
3.2->3.8+0.6
For cosmology I dropped Weinberg chapters into AskSia and got a derivation walkthrough of the Friedmann equations. The visual map of cosmological parameters made the final straightforward.
3.0->3.7+0.7
The Mock Exam mode generated Caltech style astrophysics problems with unit checks. The auto graded feedback caught a parsec versus light year mixup before the real test.
Why AskSia
Lecture, telescope, library, late-night problem sets.
Phone at the telescope for a quick magnitude check. Laptop on the astrophysics problem set. Extension pulling Carroll & Ostlie from your LMS. Desktop agent over your photometry analysis at 2am. One astronomy library, four surfaces.
Web App
Where stars and equations live together
Drag Carroll & Ostlie, Ryden cosmology, your problem sets, and primary lit in. AskSia walks orbital mechanics, derives stellar evolution, and runs cosmology calculations across all 100 files.
Multi-doc Q&A across astronomy readings with page-level citations
Convert any astronomy source to Note, Map, Cards, Quiz
Real-time collaboration on shared astronomy maps
Mobile App
Astronomy review at the telescope
iOS and Android. Photograph a CCD image, a Hertzsprung-Russell diagram, or your handwritten orbit derivation. AskSia returns the worked analysis with units enforced and observation conditions checked.
Snap-and-solve any astronomy problem
Live astronomy lecture record, transcribe, translate
Daily astronomy spaced-repetition review queue
Browser Extension
Astronomy course materials, synced
The Chrome extension adds a Sync button on Canvas, Blackboard, Brightspace, Moodle, and Everytime. Your astronomy syllabus, problem sets, observation data, and primary lit pull into one library.
Works with all 5 major university LMSs
Read-only, never writes to your LMS
Astronomy module structure preserved, folders auto-built
Desktop Study Agent
Cmd+Space over Python, IRAF, or your textbook
Native macOS and Windows. AskSia summons over Python (astropy), IRAF, your Carroll & Ostlie PDF, or your photometry data. Reads your selection and returns astronomical analysis.
Global hotkey while studying astronomy
Reads your astronomy selection, screenshot, clipboard
Works offline after first launch
Everything in one place
12 study tools built
for college astronomy.
Stop juggling Carroll & Ostlie for theory, astropy for analysis, ChatGPT for cosmology (that confuses dark energy with dark matter), and your TA's office hours. AskSia is one workspace.
Astronomy lecture transcription
Record your intro astronomy or astrophysics lecture. 40+ languages, sub-100ms latency, astronomy terminology and equation notation preserved.
OpenAstronomy multi-source Q&A
Drop Carroll & Ostlie, Ryden, your problem sets, and 80 papers. Ask 'why is the Tully-Fisher relation tight for spiral galaxies' and AskSia answers with citation-grade rigor.
OpenStellar evolution walker
Walks stellar evolution from protostar through main sequence to white dwarf, neutron star, or black hole with the right mass-dependent path. Strong on Carroll & Ostlie problem sets.
OpenYouTube to astronomy notes
Paste any PBS Spacetime, Cool Worlds Lab, or open courseware astronomy URL. AskSia transcribes, chapterizes, and pulls the worked derivations into a clean note.
OpenAstronomy Mock Exam mode
Adaptive practice across intro astronomy, astrophysics problem sets, and GRE Physics astronomy section patterns. Auto-graded with rationale.
OpenSia Note for astronomy chapters
Turns Ryden cosmology chapter on inflation into one note: principle, key equation, observational evidence, common pitfall, exam-style problem.
OpenObservational astronomy lab writer
Drafts photometry, spectroscopy, and astrometry lab reports in the format your professor grades against. Error propagation done right, atmospheric corrections applied.
OpenAstronomy flashcards · FSRS
Auto-built decks: stellar types, cosmological parameters, constants, observational techniques. FSRS spacing tuned to your exam.
OpenAstronomy concept map
The whole curriculum as a navigable tree from solar system through cosmology. Each concept linked back to its Carroll & Ostlie page and primary observational paper.
OpenAI tutor for astronomy
Voice-first or text. Walk through stellar nucleosynthesis three different ways, drill cosmological parameters, or explain why the cosmic microwave background tells us about inflation.
OpenAskSia Library
Trained on real coursework at
the world's top universities.
Browse by university, subject, or course. Every entry maps to curated study patterns for that program.
Showing 16 of 2000+ universitiesBrowse all universities
Showing 12 of 500+ popular courses
Compare
AskSia vs. ChatGPT, Quizlet,
Khan, Course Hero.
Other tools solve one slice of college. AskSia is the integrated workspace built specifically for your GPA.
| Feature | AskSia | ChatGPT | Quizlet | Course Hero / Khan |
|---|---|---|---|---|
| Built specifically for college coursework | Yes - 2000+ universities | General-purpose | User decks only | Crowd uploads / K-12 |
| Lecture transcribe + translate | Yes - Real-time, 40+ languages | No | No | No |
| 98%-accurate homework solver with diagrams | Yes - Step-by-step + visual | ~70-85%, hallucinates | No | Manual hints |
| Multi-document Q&A | Yes - 100 files, page-cited answers | ~10-20 files | No | No |
| FSRS spaced-repetition flashcards | Yes - Auto-built, 6 types | No | Manual | No |
| Adaptive Mock Exam | Yes - Auto-graded FRQ | No | No | SAT only |
| Browser extension for LMS pages | Yes - Canvas, Blackboard, Moodle | No | No | No |
| Native desktop agent | Yes - Global hotkey | Web wrapper | No | No |
| iOS & Android mobile apps | Yes - Snap-and-solve | Yes | Yes | Yes |
| Reported GPA improvement | Yes - +0.6 avg in one term | Not measured | Not measured | Not measured |
| Free for college students | Yes - No card required | Limited | Limited | Paid unlocks |
FAQ
Frequently asked
questions.
Can AskSia walk orbital mechanics?
Yes. AskSia walks Kepler's three laws, derives orbital elements, runs Hohmann transfers, and handles two-body and restricted three-body problems.
Does AskSia handle stellar evolution?
Yes. AskSia walks stellar evolution from protostar through main sequence to white dwarf, neutron star, or black hole with the right mass-dependent path. Strong on Carroll & Ostlie.
Will AskSia help with cosmology problem sets?
Yes. AskSia walks Friedmann equations, derives cosmological parameters from observations, and handles inflation theory. Strong on Ryden cosmology coursework.
Can AskSia help with observational astronomy labs?
Yes. AskSia walks photometry, spectroscopy, astrometry analysis with proper atmospheric corrections and error propagation. Strong on senior observational astronomy labs.
Is AskSia free for astronomy students?
Yes, AskSia is free for astronomy students to start, no credit card required. Free includes daily generation across all tools, unlimited library access, and the browser extension. AskSia Pro and Super unlock unlimited generation, full Mock Exam mode, free-response auto-grading at scale, priority models, and unlimited transcription minutes.
Which platforms does AskSia run on?
Four surfaces, all syncing in real time: (1) Web app at asksia.ai, (2) iOS and Android mobile apps, (3) Browser extension for Chrome, Edge, Brave, and other Chromium browsers, which adds Sync to AskSia on Canvas, Blackboard, Brightspace, Moodle, and Everytime, (4) Native desktop agent for macOS and Windows.
Does AskSia handle galaxy formation and large-scale structure?
Yes. AskSia walks galaxy classification, formation models, large-scale structure (dark matter halos, cosmic web). Strong on extragalactic astronomy coursework.
Can AskSia help with astrophysics research?
Yes. Upload papers from ApJ, MNRAS, A&A; AskSia walks the physics, derives the math, explains the observational data, connects to prior work.
Is AskSia OK for astronomy coursework?
Yes. AskSia walks astrophysical reasoning step by step. The AI detector verifies senior thesis and lab reports read as your own work.
Start Today
Stars. Galaxies. Cosmology. Aced.
Join the astronomy students at MIT, Caltech, Princeton, Harvard, Cambridge, and 1500+ programs studying the universe with AskSia. Free to start.
From the AskSia study library
Study resources by university and exam
Course guides, shared notes and exam prep written for specific subjects. Start with your institution or your exam.
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