How much did it cost to build the Hubble telescope?

From its original total cost estimate of about US$400 million, the telescope cost about US$4.7 billion by the time of its launch. Hubble’s cumulative costs were estimated to be about US$10 billion in 2010, twenty years after launch.

How do you make a NASA telescope at home?

Slide the two cardboard tubes together. You have now assembled a simple refracting telescope. Look through the eyepiece of your telescope and focus it on a distant object. Slide the two cardboard tubes in and out until you have a clear image.

How do you make a telescope out of cardboard at home?

Instructions

Gather your supplies.
Place your cardboard tube on the bottom of your paper cup and trace around the tube using a pen.
Remove the tube.
Have an adult use a craft knife to cut the lines inside the circle to create (8) flaps.
Push the flaps inward.
Now you will decorate the lens of your telescope.

Can we make telescope at home?

To make a simple telescope at home, you will need the following: two magnifying glasses – perhaps 1 – 1.5 inches (2.5-3 cm) diameter (it works best if one is larger than the other) a cardboard tube – paper towel roll or gift-wrapping paper roll (it helps if it is long) duct tape.

How do you make a kitchen roll with a telescope?

How to make the telescope:

Cut the tissue paper to size roughly.
Tape one edge to the kitchen roll like this:
Then roll roll roll roll until it is all wrapped, and tape the remaining end tightly. If you have spare tissue paper at each end, tuck it in and tape it down firmly.

How do you make a magnifying glass with binoculars?

Hold one magnifying glass (the bigger one) between you and the paper. The image of the print will look blurry. Place the second magnifying glass between your eye and the first magnifying glass. Move the second glass forward or backward until the print comes into sharp focus.

How do you make cardboard binoculars?

How to make Cardboard Tube Binoculars

Lay felt, design side down, on the work surface and cut felt in half.
Roll up the cardboard tube inside the felt, gluing as you go. Trim off excess.
Cut a strip of craft foam long enough to go around the end of the tube, about 3/4” wide.

What can you make out of toilet paper rolls?

Toilet Paper Roll Crafts for Adults

Altered Paper Tube Decor.
Toilet Paper Roll DIY Rose Scented Sachets.
Decorative Seed Starter Gifts with Laminated Plant Markers.
Reversible Cardboard Roll Earrings.
iPhone Toilet Paper Roll Craft.
July 4th Party Poppers.
Paper Towel Jewelry and Earring Holder.
Pretty in Pink Party Poppers.

How do you make a toilet paper castle?

Instructions for making the Toilet Roll Castle

From a bigger piece of cardboard, cut out the rectangular shape – that will be the base of your castle.
Make your towers using the toilet paper rolls (or any other sturdy paper rolls).
Now to make the walls.
Glue the walls on the towers so everything is connected.

What can you do with cardboard rolls?

15 New Uses for Cardboard Tubes That Are Straight Up Genius

of 15. Make a kaleidoscope.
of 15. Craft a family of bunnies.
of 15. Make a pom pom rug.
of 15. Turn a Pringles can into a speaker.
of 15. Make a toilet roll dinosaur.
of 15. Go crease-free.
of 15. Entertain the cat.
of 15. Create a drawer organizer.

How do you strengthen cardboard tubes?

Try using cereal boxes. I use two rings glued back to back per centering ring. I use USPS flat rate shipping cardboard envelopes, again, two rings glued together per centering ring. As for motor tubes, either roll your own with 110# paper or use Estes tubes.

How long is the cardboard tube in toilet paper?

4 inches long

Are toilet paper rolls sanitary for crafts?

Experts say the risk of contamination is minimal. Some even declared it an urban myth. The risk of getting diseases or infections from bacteria and germs on toilet paper rolls is minimal and negligible. Using toilet paper cores for crafts poses no threat to health if you follow simple, everyday hygiene practices.