Sloan Digital Sky Survey

High school (ages 12+)
Space & Astronomy

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/sloan-digital-sky-survey

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the survey type?Multi-spectral imaging and spectroscopic redshift survey
2. What is the telescope location?Apache Point Observatory, Sunspot, New Mexico, USA

Spectroscopic Redshift: The measurement of the shift in spectral lines of light, indicating an object's velocity and distance.
Cosmic Web: The large-scale structure of the universe, characterized by filaments of galaxies and vast voids.
Lambda-CDM Model: The standard model of cosmology, describing a universe dominated by dark energy (Lambda) and cold dark matter (CDM).
Quasar: Extremely luminous active galactic nuclei powered by supermassive black holes at the centers of galaxies.