Little Green Men: The Search for Life Beyond Earth
(4.90 with 5 reviews)
25
students
2.4 hours
content
Jan 2025
updated
$14.99
Tony Ceraso
Online Course Instructor
4.64 (537 reviews)
Statistics
2.4K
total students
49 hours
total content
Feb 2018
first content date
Mar 2021
last content date
Courses (22)
Nebulae: Beautiful Clouds of the Universe
(5.00 with 1 reviews)
12
students
2.0 hours
content
Jan 2025
updated
$14.99
Moons of the Solar System
(5.00 with 2 reviews)
8
students
2.2 hours
content
Jan 2025
updated
$14.99
The Milky Way and Other Galaxies in the Universe
(4.62 with 13 reviews)
64
students
2.1 hours
content
Jan 2025
updated
$14.99
Constellations & Planets: The Story of the Night Sky
(3.81 with 34 reviews)
126
students
2.3 hours
content
Jan 2025
updated
$14.99
How to REALLY use a Telescope
(4.23 with 66 reviews)
347
students
2.6 hours
content
Feb 2026
updated
$14.99
The Mighty Sun and the Cooking of Mercury
(5.00 with 1 reviews)
4
students
2.1 hours
content
Jan 2025
updated
$14.99
Home: Earth from an Astronomical Perspective
(5.00 with 1 reviews)
8
students
2.2 hours
content
Jan 2025
updated
$14.99
Everything: A Tour of the Universe
(4.60 with 10 reviews)
47
students
2.1 hours
content
Jan 2025
updated
$14.99
Comets, Asteroids and Meteorites
(4.75 with 8 reviews)
31
students
2.3 hours
content
Jan 2025
updated
$14.99
Mars: The Haunting Red Planet
(5.00 with 1 reviews)
7
students
2.0 hours
content
Jan 2025
updated
$14.99
Space-Time and Gravity
(4.36 with 145 reviews)
578
students
2.2 hours
content
Jan 2025
updated
$14.99
Stars and Star Clusters
(4.36 with 7 reviews)
44
students
2.3 hours
content
Jan 2026
updated
$14.99
Crewed Space Exploration
(4.54 with 83 reviews)
412
students
2.2 hours
content
Feb 2026
updated
$14.99
Venus - Approach with Extreme Caution
(5.00 with 1 reviews)
5
students
1.9 hours
content
Jan 2025
updated
$14.99
Pluto and the Edge of the Solar System
(5.00 with 2 reviews)
4
students
2.3 hours
content
Jan 2025
updated
$14.99
The Ice Giants: Uranus & Neptune
(5.00 with 1 reviews)
2
students
1.9 hours
content
Jan 2025
updated
$14.99
Exo-Planets: Planets Beyond Our Solar System
(3.94 with 9 reviews)
36
students
2.4 hours
content
Jan 2025
updated
$14.99
So You Think You Know the Moon
(4.60 with 5 reviews)
21
students
2.2 hours
content
Jan 2025
updated
$14.99
Robotic Space Exploration
(4.28 with 125 reviews)
529
students
2.4 hours
content
Oct 2025
updated
$14.99
Astronomy: BIG, FAR and FAST are Relative in Space
(4.57 with 14 reviews)
79
students
2.6 hours
content
Jan 2025
updated
$14.99
The Gas Giants: Jupiter & Saturn
(4.50 with 3 reviews)
8
students
2.0 hours
content
Jan 2025
updated
$14.99