LAE J095950.99+021219.1

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/lae-j095950-99-021219-1

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. How big is LAE J095950.99+021219.1?Cosmology, galaxy evolution, Epoch of Reionization, high-redshift astronomy
2. What is the object type?Lyman-alpha emitting galaxy
3. What is the cosmic age at emission?Approximately 2.5 billion years post-Big Bang

Redshift: The stretching of light waves from distant objects, indicating their movement away from us and the expansion of the universe.
Epoch of Reionization: A crucial period in the early universe when neutral hydrogen was ionized by the first stars and galaxies.
Spectrograph: An instrument that splits light into its component wavelengths, allowing scientists to analyze its composition and properties.
Luminosity Function: A measure of the number of galaxies at different brightness levels within a given volume of space.